International Rice Research Institute (IRRI). (2000). The quest for Nitrogen fixayion in rice. Philippines: IRRI.
Chicago Stili AlıntıInternational Rice Research Institute (IRRI). The Quest for Nitrogen Fixayion in Rice. Philippines: IRRI, 2000.
MLA AlıntıInternational Rice Research Institute (IRRI). The Quest for Nitrogen Fixayion in Rice. Philippines: IRRI, 2000.
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