Drilon, J. D. (1977). Agricultural research systems in Asia. Southeast Asian Regional Center for Graduate Study and Research in Agriculture.
Chicago-referens (17:e uppl.)Drilon, Jose D. Agricultural Research Systems in Asia. Laguna: Southeast Asian Regional Center for Graduate Study and Research in Agriculture, 1977.
MLA-referens (9:e uppl.)Drilon, Jose D. Agricultural Research Systems in Asia. Southeast Asian Regional Center for Graduate Study and Research in Agriculture, 1977.
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