• 5 Videos, Slides, Films

• 5 Conservation of natural resources
• 4 Mechanical engineering
• 4 Operations research
• 3 Branding (Marketing)
• 3 Engineering
• 3 Environmental protection
• 3 Management
• 3 Production management
• 3 Science
• 3 Vocational guidance
• 2 Marketing
• 2 Mathematics
• 1 Architecture
• 1 Automobile industry and trade
• 1 Carpentry
• 1 Economic geography
• 1 International business enterprises
• 1 Moral and ethical aspects
• 1 Social change
• 1 Study and teaching

• 5 Films Media Group
• 4 4 Learning (Firm)
• 1 FBC

• 5 English

Limit year range