• 3 Videos, Slides, Films

• 2 International economic relations
• 2 Population
• 2 Social structure
• 1 Business enterprises
• 1 Food security
• 1 Google
• 1 Housing
• 1 Human ecology
• 1 Investments
• 1 Long-term care
• 1 Older people
• 1 Population policy
• 1 Science
• 1 Social institutions
• 1 Technology
• 1 Technology and civilization
• 1 Urbanization

• 3 Films Media Group
• 3 Films for the Humanities & Sciences (Firm)
• 2 NPO/Netherlands Public Broadcast
• 1 4 Learning (Firm)

• 3 English

• 1 China
• 1 Tunisia

• 3 Educational films
• 3 Internet videos
• 3 Videorecording

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