Medina, J. (1980). Costs involved in the domestic production of agri-based import substitutes: White corn, Northern Mindanao. Special Studies Division, Planning Service, Ministry of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMedina, J.P. Costs Involved in the Domestic Production of Agri-based Import Substitutes: White Corn, Northern Mindanao. Quezon City: Special Studies Division, Planning Service, Ministry of Agriculture, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMedina, J.P. Costs Involved in the Domestic Production of Agri-based Import Substitutes: White Corn, Northern Mindanao. Special Studies Division, Planning Service, Ministry of Agriculture, 1980.
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