IRRI. (1991). IRRI research paper series; 1991: Increasing rice yields through exploitation of Heterosis. Manila: IRRI.
Παραπομπή Chicago StyleIRRI. IRRI Research Paper Series; 1991: Increasing Rice Yields Through Exploitation of Heterosis. Manila: IRRI, 1991.
Παραπομπή MLAIRRI. IRRI Research Paper Series; 1991: Increasing Rice Yields Through Exploitation of Heterosis. Manila: IRRI, 1991.
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