Não informado. (1976). IRRI Research Paper Series. International Rice Research Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. IRRI Research Paper Series. Manila: International Rice Research Institute, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. IRRI Research Paper Series. International Rice Research Institute, 1976.
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