• 4 Videos, Slides, Films

• 2 Biogeography
• 2 Biotic communities
• 2 Physical geography
• 1 Atmosphere
• 1 Biodiversity
• 1 Conservation of natural resources
• 1 Ecology
• 1 Economic aspects
• 1 Ecosystem management
• 1 Effect of human beings on
• 1 Environmental protection
• 1 Environmental sciences
• 1 Human ecology
• 1 Methodology
• 1 Nature
• 1 Population
• 1 Research
• 1 Weather

• 4 Films Media Group
• 2 Allegro Productions (Firm)
• 1 Cambridge Educational (Firm)

• 4 English

• 4 Educational films
• 4 Internet videos
• 4 Videorecording
• 2 Video recordings for the hearing impaired

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