Only one earth the care and maintenance of a small planet: an unofficial report commissioned by the Secretary-General of the United Nations Conference on the Human Environment
| मुख्य लेखक: | |
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| अन्य लेखक: | , |
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
New York
Norton
1972
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| विषय: |