State of the world 1987 a Worldwatch Institute report on progress toward a sustainable society
| निगमित लेखक: | |
|---|---|
| अन्य लेखक: | |
| स्वरूप: | पुस्तक |
| भाषा: | अंग्रेज़ी |
| प्रकाशित: |
New York
W. W. Norton and Company
c1987
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| श्रृंखला: | Worldwatch environmental alert series.
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| विषय: |