Drilon, J. D. (1977). High-level agricultural manpower in Indonesia and the Philippines. Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDrilon, Jose D. High-level Agricultural Manpower in Indonesia and the Philippines. College, Laguna: Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDrilon, Jose D. High-level Agricultural Manpower in Indonesia and the Philippines. Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 1977.
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