Environmental pollution : causes, effects and control
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New Delhi :
Commonwealth Publishers ,
1991
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Table of Contents:
- Contents: Pt. 1. Environmental segments - Pt. 2. The quality of environment - Pt. 3. Pollution control.
Save O3 ur sky protect yourself protect the ozone layer.