Planas, T. (1975). Some aspects of exporting Philippine ginger. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture and Natural Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPlanas, T.A. Some Aspects of Exporting Philippine Ginger. Quezon City: Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture and Natural Resources, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPlanas, T.A. Some Aspects of Exporting Philippine Ginger. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture and Natural Resources, 1975.
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