Villar, M. C. (1992). More research on rise by-products to boost farmers' income proposed / Magtanggol C. Villar. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillar, Magtanggol C. "More Research on Rise By-products to Boost Farmers' Income Proposed / Magtanggol C. Villar." Manila Bulletin 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillar, Magtanggol C. "More Research on Rise By-products to Boost Farmers' Income Proposed / Magtanggol C. Villar." Manila Bulletin, 1992.
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