Philippine environmental management in the seventies speeches delivered during the National Conference on Environmental Management June 6-7, 1977.
| مؤلفون مشاركون: | , |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
[Quezon City]
National Environmental Protection Council
c1977.
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| الموضوعات: |