Zandastra, H. G. A Methodology for on-farm cropping systems research. International Rice Research Institute.
Chicago Style aipamenaZandastra, H. G. A Methodology for On-farm Cropping Systems Research. Los Baños, Laguna: International Rice Research Institute.
MLA aipamenaZandastra, H. G. A Methodology for On-farm Cropping Systems Research. International Rice Research Institute.
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