Andres, R. E. (2002). Ilocano researcher discovers new irrigation method that could multiply peanut yield. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAndres, Reynaldo E. "Ilocano Researcher Discovers New Irrigation Method That Could Multiply Peanut Yield." Manila Times 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAndres, Reynaldo E. "Ilocano Researcher Discovers New Irrigation Method That Could Multiply Peanut Yield." Manila Times, 2002.
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