en
de
es
fr
Shop
GRIN Website
Publish your texts - enjoy our full service for authors
Go to shop
›
Results for «
Problems
»
Open Filters
Search in
Title
Author
Fulltext
Subject
Social Work
(227)
Business economics - Business Management, Corporate Governance
(170)
Pedagogy - School System, Educational and School Politics
(57)
Pedagogy - School Pedagogics
(54)
Business economics - Miscellaneous
(54)
Business economics - Accounting and Taxes
(48)
Business economics - Offline Marketing and Online Marketing
(47)
Philosophy - Practical (Ethics, Aesthetics, Culture, Nature, Right,...
(43)
Law - Civil / Private, Trade, Anti Trust Law, Business Law
(42)
Leadership and Human Resources - Miscellaneous
(41)
Business economics - Supply, Production, Logistics
(41)
German Studies - Modern German Literature
(40)
Computer Science - Commercial Information Technology
(38)
Pedagogy - General
(36)
Sport - Kinematics and Training Theory
(36)
Business economics - Investment and Finance
(36)
English Language and Literature Studies - Literature
(36)
Philosophy - Miscellaneous
(35)
Business economics - Banking, Stock Exchanges, Insurance, Accounting
(34)
Business economics - Business Ethics, Corporate Ethics
(33)
Business economics - Controlling
(32)
Business economics - General
(31)
Law - Tax / Fiscal Law
(30)
Geography / Earth Science - Demographics, Urban Management, Planning
(29)
Psychology - Social Psychology
(29)
Philosophy - Theoretical (Realisation, Science, Logic, Language)
(29)
Sociology - Work, Education, Organisation
(29)
Psychology - Clinical Psychology, Psychopathology, Prevention
(28)
Economics - Finance
(28)
Environmental Sciences
(28)
Didactics - Mathematics
(27)
German Studies - Linguistics
(27)
Health - Health system
(27)
Sociology - Individual, Groups, Society
(27)
Communications - Public Relations, Advertising, Marketing, Social M...
(26)
Politics - Topic: European Union
(26)
Pedagogy - Pedagogic Psychology
(26)
Leadership and Human Resources - Leadership
(26)
Economy - Environment economics
(26)
Sociology - Relationships and Family
(26)
Pedagogy - Social pedagogy
(26)
Sociology - Miscellaneous
(26)
Psychology - Industrial and organizational psychology
(25)
Health - Public Health
(24)
Politics - Region: Africa
(23)
Business economics - Economic Policy
(23)
Law - Miscellaneous
(22)
Politics - Basics and General
(22)
Sociology - Social System and Social Structure
(22)
Health - Miscellaneous
(22)
Psychology - Miscellaneous
(22)
History - Miscellaneous
(22)
Didactics - Common Didactics, Educational Objectives, Methods
(22)
Social Studies (General)
(22)
Psychology - Consulting and Therapy
(22)
Economics - Other
(21)
Law - European and International Law, Intellectual Properties
(21)
Pedagogy - Orthopaedagogy and Special Education
(21)
Engineering - Civil Engineering
(21)
Psychology - General
(20)
Health - Nutritional Science
(20)
Politics - Environmental Policy
(20)
Didactics for the subject German - German as a Foreign Language
(19)
Psychology - Work, Business, Organisation
(19)
Politics - Topic: Public International Law and Human Rights
(19)
History of Europe - Middle Ages, Early Modern Age
(18)
Pedagogy - Nursery Pedagogy, Early Childhood Education
(18)
English Language and Literature Studies - Linguistics
(18)
Pedagogy - Inclusion
(18)
Law - Civil / Private / Industrial / Labour
(18)
Sport - Sport Economics, Sport Management
(18)
Engineering - Industrial Engineering and Management
(17)
Didactics - Politics, Political Education
(17)
Computer Sciences - Artificial Intelligence
(17)
Business economics - Company formation, Business Plans
(17)
Politics - Political Theory and the History of Ideas Journal
(17)
Didactics for the subject English - Pedagogy, Literature Studies
(17)
Theology - Biblical Theology
(17)
Communications - Intercultural Communication
(16)
American Studies - Literature
(16)
Engineering - Mechanical Engineering
(16)
Mathematics - Applied Mathematics
(16)
Leadership and Human Resources - Recruiting
(16)
Communications - Movies and Television
(16)
Didactics - Sport, Sport Pedagogy
(16)
Didactics for the subject German - Literature, Works
(16)
Sociology - Law and Delinquency
(16)
Didactics - History
(15)
World History - Early and Ancient History
(15)
English Language and Literature Studies - Other
(15)
Law - Criminal process, Criminology, Law Enforcement
(15)
Business economics - Operations Research
(15)
Nursing Science - Nursing Management
(14)
Pedagogy - Miscellaneous Topics
(14)
Computer Science - Applied
(14)
Nursing Science - Miscellaneous
(14)
Business economics - Trade and Distribution
(14)
Tourism - Miscellaneous
(13)
German Studies - Comparative Literature
(13)
Pedagogy - Adult Education
(13)
Leadership and Human Resources - Employee Motivation, Employee Sati...
(13)
Economics - Case Scenarios
(13)
Politics - Topic: Peace and Conflict, Security
(13)
Didactics for the subject German - Pedagogy, Linguistics
(12)
Sociology - Children and Youth
(12)
Engineering - Power Engineering
(12)
Agrarian Studies
(12)
Business economics - Information Management
(12)
Pedagogy - The Teacher, Educational Leadership
(12)
Philosophy - Philosophy of the present
(12)
Speech Science / Linguistics
(12)
Politics - Other International Politics Topics
(12)
Health - Fitness and Health Management
(12)
Business economics - Customer Relationship Management, CRM
(12)
Health Sciences - Health Psychology
(12)
Communications - Media and Politics, Politic Communications
(11)
Psychology - Developmental Psychology
(11)
Didactics - Business economics, Economic Pedagogy
(11)
Law - Penology
(11)
Economics - International Economic Relations
(11)
Geography / Earth Science - Economic Geography
(11)
Cultural Studies - Miscellaneous
(11)
Didactics - German Studies
(11)
Pedagogy - Media Pedagogy
(11)
Health - Sports science
(11)
Communications - Multimedia, Internet, New Technologies
(11)
Computer Science - IT-Security
(10)
German Studies - Miscellaneous
(10)
Politics - Region: Near East, Near Orient
(10)
Psychology - Personality Psychology
(10)
Theology - Systematic Theology
(10)
Computer Science - Software
(10)
Politics - Topic: Globalization, Political Economics
(10)
Law - Public Law / Constitutional Law / Basic Rights
(10)
Didactics for the subject English - Miscellaneous
(10)
Sociology - Politics, Majorities, Minorities
(10)
Politics - Topic: Development Politics
(10)
Politics - Miscellaneous
(10)
Ethics
(10)
Romance Studies - Spanish Studies
(10)
Theology - Miscellaneous
(9)
Pedagogy - Intercultural Pedagogy
(9)
Computer Science - Programming
(9)
Geography / Earth Science - Physical Geography, Geomorphology, Envi...
(9)
History of Germany - National Socialism, World War II
(9)
Politics - General and Theories of International Politics
(9)
Politics - Topic: International relations
(9)
Geography / Earth Science - Regional Geography
(9)
Law - Philosophy, History and Sociology of Law
(9)
Business economics - Market research
(9)
Business economics - Corporate communication
(9)
Gender Studies
(9)
Didactics for the subject German - Grammar, Style, Working Technique
(9)
Economics - Monetary theory and policy
(9)
Philosophy - Philosophy of the 20th century
(9)
Sociology - Basics and General
(9)
History of Germany - Postwar Period, Cold War
(9)
Politics - Political Systems - Germany
(9)
Didactics for the subject German - German as a Second Language
(9)
Computer Science - Internet, New Technologies
(8)
Leadership and Human Resources - Occupational burnout and stress at...
(8)
Law - Comparative Legal Systems, Comparative Law
(8)
History of Europe - Modern Times, Absolutism, Industrialization
(8)
Organisation and administration - Public administration
(8)
Business economics - Organization
(8)
Law - Civil / Private / Law of Obligation / Property Law
(8)
Health Sciences - Health Logistics
(8)
History of Germany - World War I, Weimar Republic
(8)
Philosophy - Philosophy of the Ancient World
(8)
Health - Digital Health Management
(8)
Art - History of Art
(8)
Economics - Macro-economics, general
(8)
Social Work - Child and Youth Welfare
(8)
Computer Science - General
(7)
Communications - Media Economics, Media Management
(7)
Didactics for the subject English - Literature, Works
(7)
Law - Media, Multimedia Law, Copyright
(7)
Theology - Comparative Religion Studies
(7)
Literature - General
(7)
Politics - Region: Eastern Europe
(7)
Pedagogy - Pedagogic Sociology
(7)
Health - Children and adolescents
(7)
Electrotechnology
(7)
Didactics for the subject German - Miscellaneous
(7)
Politics - Region: Russia
(7)
Interpreting / Translating
(7)
Philosophy - Philosophy of the 19th Century
(7)
French Studies - Linguistics
(7)
Theology - Islamic theology
(7)
Economics - Micro-economics
(7)
Didactics - Theology, Religion Pedagogy
(7)
History of Germany - Modern History
(7)
Law - Public Law / Miscellaneous
(7)
Philosophy - Philosophy of the 17th and 18th Centuries
(7)
Earth Science / Geography - Geopolitics
(7)
Engineering - Computer Engineering
(6)
Communications - Journalism, Journalism Professions
(6)
Economy - Health Economics
(6)
History of Germany - 1848, Empire, Imperialism
(6)
Pedagogy - Higher Education
(6)
Biology - Diseases, Health, Nutrition
(6)
German Studies - Older German Literature, Medieval Studies
(6)
Literature - Comparative Literature
(6)
Economics - Innovation economics
(6)
African Studies - Culture and Applied Geography
(6)
Film Science
(6)
Business economics - Economic and Social History
(6)
History of Europe - Ages of World Wars
(6)
Orientalism / Sinology - Islamic Studies
(6)
History - Asia
(6)
Education - Reading Instruction
(6)
Ethnology / Cultural Anthropology
(6)
Sociology - Economy and Industry
(6)
Pedagogy - Family Education
(6)
Design (Industry, Graphics, Fashion)
(6)
Sociology - Medicine and Health
(6)
Computer Science - Miscellaneous
(6)
Economics - Job market economics
(5)
Politics - Topic: International Organisations
(5)
Sociology - Old Age
(5)
Communications - Miscellaneous
(5)
Mathematics - Analysis
(5)
History - Africa
(5)
Politics - Region: USA
(5)
Leadership and Human Resources - Employer Branding
(5)
Communications - Mass Media
(5)
Health - Stress management
(5)
Nursing Science - Dementia
(5)
Business economics - Review of Business Studies
(5)
Leadership and Human Resources - Generation Y, Generation Z
(5)
Sport - Sport Medicine, Therapy, Nutrition
(5)
Urban and Regional Planning
(5)
Economics - Economic Cycle and Growth
(5)
Health Sciences - Health education
(5)
Sociology - Habitation and Urban Sociology
(5)
Biographies
(5)
Economy - Transport Economics
(5)
Pedagogy - Art education
(5)
Law - Public Law / Administrative Law
(5)
Mathematics - Miscellaneous
(5)
Politics - Topic: Social Policy
(5)
Economics - Statistics and Methods
(5)
Engineering - Automotive Engineering
(5)
Earth Science / Geography - General, Basics
(4)
Engineering - General
(4)
Communications - Ethics in the Media
(4)
Communications - Research, Studies, Enquiries
(4)
Energy Sciences
(4)
Psychology - Diagnostics
(4)
Didactics - Geography
(4)
Communications - Methods and Research Logic
(4)
Organisation and administration - Miscellaneous
(4)
Medicine - Hospital Environment, Clinical Medicine
(4)
Engineering - Safety Engineering
(4)
History - Basics
(4)
Pedagogy - Job Education, Further Education
(4)
Communications - Interpersonal Communication
(4)
Musicology - Miscellaneous
(4)
Geography / Earth Science - Geology, Mineralogy, Soil Science
(4)
German Studies - Literature of History, Eras
(4)
Sociology - Consumption and Advertising
(4)
Literature - Modern Literature
(4)
Sociology - Communication
(4)
Theater Studies, Dance
(4)
Psychology - Cognition
(4)
Law - Civil / Private / Family Law / Law of Succession
(4)
Law - Data protection
(4)
Didactics - Regional History and Geography
(4)
Sociology - Knowledge and Information
(4)
Communications - Specialized communication
(4)
German Studies - Semiotics, Pragmatics, Semantics
(4)
Mathematics - Stochastics
(4)
Political Science - Universal basic income
(4)
Business economics - Project Management
(4)
Didactics - Reading
(4)
Sociology - Methodology and Methods
(4)
Pedagogy - Integration
(4)
Environmental Sciences - Sustainability
(4)
Didactics - Physics
(3)
Medicine - Pharmacology, Pharmacy
(3)
Geography / Earth Science - Miscellaneous
(3)
Medicine - Pediatrics
(3)
Sociology - Culture, Technology, Nations
(3)
Romance Studies - Miscellaneous
(3)
Didactics for the subject French - Literature, Works
(3)
History - America
(3)
Chemistry - General
(3)
English Language and Literature Studies - Culture and Applied Geogr...
(3)
Psychology - Intelligence and Learning Psychology
(3)
Computer Science - Theory
(3)
Library Science, Information- / Documentation Science
(3)
History of Europe - European Postwar Period
(3)
Asian studies
(3)
Politics - Region: Western Europe
(3)
Theology - Historic Theology, Ecclesiastical History
(3)
Politics - Methods, Research
(3)
Mathematics - Statistics
(3)
Pedagogy - Gifted Education
(3)
Medicine - Dentistry
(3)
Engineering - Chemical Engineering
(3)
Communications - Print Media, Press
(3)
American Studies - Culture and Applied Geography
(3)
Transportation Science & Technology
(3)
African Studies - Miscellaneous
(3)
Sociology - General and Theoretical Directions
(3)
Economics - Foreign Trade Theory, Trade Policy
(3)
Medicine - Other
(3)
American Studies - Miscellaneous
(3)
Law - Civil Action / Lawsuit Law
(3)
Didactics - Earth Science
(3)
Business economics - Revision, Auditing
(3)
Art - Architecture / History of Construction
(3)
Pedagogy - Theory of Science, Anthropology
(3)
Forestry / Forestry Economics
(3)
Orientalism / Sinology - Arabistic
(3)
Cultural Studies - Basics and Definitions
(3)
Didactics - E-Learning
(3)
Biology - Miscellaneous
(3)
Engineering - Naval Engineering, Ocean Engineering
(3)
Biology - Micro- and Molecular Biology
(3)
Didactics for the subject French - Pedagogy, Literature Studies
(3)
Biology - Botany
(3)
Engineering - Aerospace Technology
(3)
Nursing Science - Nursing crisis
(3)
Philosophy - General Essays, Eras
(3)
Medicine - Biomedical Engineering
(3)
Orientalism / Sinology - Japanology
(3)
Nature Protection, Landscape Conservation
(3)
Musicology - Historical musicology
(3)
Politics - Political systems in general and in comparison
(3)
Didactics - Spanish
(3)
Politics - Topic: German Foreign Policy
(3)
Biology - Genetics / Gene Technology
(3)
Politics - Topic: International development
(3)
Psychology
(3)
Food Technology
(2)
Chemistry - Analytical Chemistry
(2)
Communications - Media History
(2)
Biology - Physiology
(2)
Politics - Region: Middle and South America
(2)
Mathematics - Algebra
(2)
Health - Gerontology
(2)
Chemistry - Organic Chemistry
(2)
Physics - Other
(2)
Ergonomics
(2)
Theology - Religion (For Pre-University Students)
(2)
Sociology - War and Peace, Military
(2)
Business economics - Industrial Management
(2)
Physics - Theoretical Physics
(2)
Didactics - Ethics
(2)
Chemistry - Food Chemistry
(2)
Didactics - Social Studies/ Civics
(2)
Veterinary medicine
(2)
Nursing Science - Palliative Care
(2)
Computer Science - Bioinformatics
(2)
Didactics - Art
(2)
Health - Persons with disabilities
(2)
Nursing Science - Geriatric Care
(2)
African Studies - Literature
(2)
Economy - Real estate industry
(2)
Learning materials - English
(2)
Sport - Sport Psychology
(2)
French Studies - Literature
(2)
Musicology - Popular music
(2)
German Studies - Genres
(2)
Psychology - Media Psychology
(2)
Geography / Earth Science - Meteorology, Aeronomy, Climatology
(2)
Psychology - Methods
(2)
Politics - Region: South Asia
(2)
Didactics - Biolology
(2)
Literature - Latin America
(2)
Computer Sciences - Internet of Things, IOT
(2)
Nursing Science - Acute care
(2)
Politics - Region: Far East
(2)
Education - Educational Tests & Measurements
(2)
Sport - Miscellaneous
(2)
Cultural Studies - European Studies
(2)
Biology - Virology
(2)
Instructor Plans: Commercial Professions / Administration
(2)
Pedagogy - Reform Pedagogics
(2)
Economics - History
(2)
Tourism - Hotel Management
(2)
Philosophy - Philosophy of the Middle Ages (approx. 500-1350)
(2)
Chemistry - Physical and Theoretical Chemistry
(2)
World History - Antiquity
(2)
African Studies - Linguistics
(2)
Biology - Ecology
(2)
Chemistry - Materials Chemistry
(2)
Cultural Studies - Empiric Cultural Studies
(2)
Business economics - Law
(2)
French Studies - Culture
(2)
Guidebooks - School, Education, Pedagogy
(2)
World History - Modern History
(2)
Russian / Slavic Languages
(2)
Didactics - Spanish Studies
(2)
Mathematics - General, Basics
(2)
Didactics - Home Economics
(2)
Pedagogy - Music education
(2)
Didactics for the subject English - Applied Geography
(2)
Communications - Technical Communication
(2)
Sport - Media and Communication
(2)
Leadership and Human Resources - Coaching
(2)
Sociology - Media, Art, Music
(2)
Psychology - Forensic Psychology and Penal System
(2)
Politics - International Politics and Country Analyses
(2)
Leadership and Human Resources - Management Styles
(2)
Mathematics
(2)
American Studies - Linguistics
(2)
Business economics - E-Commerce
(2)
Psychology - Biological Psychology
(2)
Physics - Quantum Physics
(2)
Biology - Zoology
(1)
Economics - Industrial Economics
(1)
Geography / Earth Science - Oceanography
(1)
Didactics - Chemistry
(1)
Art - Sculpture / Plastics
(1)
Physics - Nuclear Physics
(1)
Chemistry - Other
(1)
Physics - Electrodynamics
(1)
Jewish Studies
(1)
Health - Mental Health
(1)
Cultural Studies - Canada
(1)
Pedagogy - Class Preparation General
(1)
Engineering - Robotics
(1)
South Asian Studies, South-Eastern Asian Studies
(1)
Book Science
(1)
Organisation and administration - Disaster control
(1)
Didactics for the subject English - History of Literature, Eras
(1)
World History - General and Comparison
(1)
Sociology - Religion
(1)
Law - IT law
(1)
Guidebooks - Self-help and Psychology
(1)
Didactics for the subject German - Genres
(1)
Literature - Slavic Literature
(1)
Biology - Developmental Biology
(1)
Health - Physical Therapy / Occupational Therapy
(1)
Landscape Management
(1)
Communications - Theories, Models, Terms and Definitions
(1)
Theology - Practical Theology
(1)
Computer Sciences - Industry 4.0
(1)
Nursing Science - Violence in nursing
(1)
Romance Studies - Other Languages
(1)
Medicine - Therapy
(1)
Instructor Plans: Craft / Production / Trade - Motor Mechanic
(1)
Medicine - Neurology, Psychiatry, Addiction
(1)
Philosophy - Early Modern Philosophy (approx. 1350-1600)
(1)
Didactics for the subject French - Miscellaneous
(1)
Pharmacology
(1)
Physics - Optics
(1)
Tourism - Event management
(1)
Organisation and administration - Public safety and order
(1)
Didactics for the subject French - Applied Geography
(1)
Physics - Astronomy
(1)
Technology
(1)
Cultural Studies - East European Studies
(1)
Literature - Middle East
(1)
History of Europe - Europe in the Cold War
(1)
Computer Science - Technical Computer Science
(1)
Literature - Scandinavia and Iceland
(1)
Computer Science - SEO, Search Engine Optimization
(1)
Medicine - Diagnostics
(1)
Greek / Old Greek
(1)
Classic Philology - Other
(1)
Guidebooks - Sports and Fitness
(1)
Musicology - Contemporary music
(1)
Cultural Studies - Near Eastern Studies
(1)
Art - Painting
(1)
Art - Art Theory, General
(1)
Politics - Region: Other States
(1)
Romance Studies - Romanian Studies
(1)
Biology - Neurobiology
(1)
Psychology - Psychology of Religion
(1)
Physics - Technical Physics
(1)
Physics - Acoustics
(1)
Instructor Plans: Agriculture / Forestry / Gardening
(1)
Orientalism / Sinology - Chinese / China
(1)
Instructor Plans: Pedagogy / Education / Consultation
(1)
Medicine - Epidemiology
(1)
Geography / Earth Science - Cartography, Geographic Information Sci...
(1)
History of Europe - Colonialism
(1)
Cultural Studies - Pacific Rim
(1)
Communications - Broadcast and entertainment
(1)
Learning materials - Mathematics
(1)
Politics - History of Political Systems
(1)
Computer Sciences - Cryptocurrency
(1)
Sport - Theory and Practice
(1)
Archaeology
(1)
Engineering - Geotechnology
(1)
Sport - Sport Sociology
(1)
Literature - Medieval Literature
(1)
Instructor Plans: Computing / Data Processing / IT / Telecommunication
(1)
Mathematics - Geometry
(1)
Medicine - Dermatology
(1)
Art - Extra-European art
(1)
Didactics for the subject English - Grammar, Style, Working Technique
(1)
Nomenclature, Onomastics
(1)
Sport - Sports Equipment and Supplies
(1)
African Studies - African diaspora
(1)
Art - Overall Considerations
(1)
History - Europe
(1)
Cultural Studies - GLBT / LGBTIQ
(1)
Art - Miscellaneous
(1)
Psychology - Adjacent Fields and Auxiliary Sciences
(1)
Health - Sport
(1)
Theology / Religion
(1)
Medicine - Medical Frontiers and Special Areas
(1)
Romance Languages - French
(1)
Biology
(1)
Environmental Sciences - Climate and environmental protection
(1)
Leadership and Human Resource Management
(1)
Search all subjects...
Category of text
University student text
(4)
Secondary school text
(1)
Thesis
(1)
Price
0 - 10 USD
(1)
10 - 25 USD
(4)
25 - 50 USD
(1)
Language
German
(6)
Publication Year
Any Year
since 2024
since 2023
since 2022
since 2021
since 2020
since 2019
since 2018
since 2017
since 2016
since 2015
since 2010
since 2005
since 2000
Results for »
Problems
« (6 results)
Sort by
Most Relevant
Newest
Most Read
Alphabetic: A-Z
Alphabetic: Z-A
Price: Low to High
Price: High to low
Handlungsoptionen im Kinder- und Jugendhilferecht. Über die Kooperation zwischen Familie und Jugendamt
Autor:in:
Marie Erhardt (Author)
Subject:
Pedagogy - Family Education
Category:
Pre-University Paper , 2018 , Grade: 13,00
Price:
US$ 7.99
Wie gelingt erfolgreiche Elternarbeit und worin liegen die Schwierigkeiten? Der Förderschwerpunkt emotionale und soziale Entwicklung als Herausforderung
Autor:in: Anonymous
Subject:
Pedagogy - Family Education
Category:
Term Paper , 2019 , Grade: 1,0
Price:
US$ 14.99
Chancen und Risiken von Online-Erziehungsberatung
Das Angebot der Bundeskonferenz für Erziehungsberatung
Autor:in: Anonymous
Subject:
Pedagogy - Family Education
Category:
Term Paper , 2018 , Grade: 1,0
Price:
US$ 17.99
Rechtliche Probleme der Ergänzungspflegschaft. Rechtliche Abwicklung in Jugendhilfefällen
Autor:in:
Evelyn Dürhammer (Author)
Subject:
Pedagogy - Family Education
Category:
Term Paper , 2021 , Grade: 2,0
Price:
US$ 17.99
Erziehungsberatung in der Pandemie. Inwiefern lässt sich die Erziehungsberatung im Online-Setting umsetzen?
Autor:in: Anonymous
Subject:
Pedagogy - Family Education
Category:
Term Paper , 2021
Price:
US$ 15.99
Chancen und Herausforderungen des personenzentrierten Ansatzes nach Rogers in der Erziehungsberatung
Autor:in:
Nazile Karagöz (Author)
Subject:
Pedagogy - Family Education
Category:
Master's Thesis , 2023 , Grade: 1,3
Price:
US$ 32.99