Watanabe, I. (1992). Biofertilizer germplasm collections at IRRI. International Rice Research Institute.
Chicago Style (17th ed.) CitationWatanabe, Iwao. Biofertilizer Germplasm Collections at IRRI. Manila: International Rice Research Institute, 1992.
MLA (9th ed.) CitationWatanabe, Iwao. Biofertilizer Germplasm Collections at IRRI. International Rice Research Institute, 1992.
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