International rice testing program. (1982). Preliminary report of 1981 IRTP nurseries. Manila: The internatonal rice testing program.
Trích dẫn kiểu ChicagoInternational rice testing program. Preliminary Report of 1981 IRTP Nurseries. Manila: The internatonal rice testing program, 1982.
MLA citiranjeInternational rice testing program. Preliminary Report of 1981 IRTP Nurseries. Manila: The internatonal rice testing program, 1982.
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