Challenge to biologists in the 70's the escalation of food production
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
[Quezon City
National Research Council of the Philippines
1973.]
|
| श्रृंखला: | The Dr. Gregorio T. Velasquez lecture series, 1972-73
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| विषय: |