International bibliography on cropping systems, 1973-1974
The bibliography brings together under one cover the world's scattered literature on cropping systems. It aims to facilitate the literature search and to minimize duplication of efforts of scientists engaged in studies on cropping systems. Following a classified arrangement, the bibliography...
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| Formato: | Thesis |
| Idioma: | English |
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Quezon City : Institute of Library Science, University of the Philippines Diliman
1976.
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