Challenge to biologists in the 70's the escalation of food production
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| Materyal Türü: | Kitap |
| Dil: | English |
| Baskı/Yayın Bilgisi: |
[Quezon City
National Research Council of the Philippines
1973.]
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| Seri Bilgileri: | The Dr. Gregorio T. Velasquez lecture series, 1972-73
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| Konular: |