Acayan, d. S. (1973). Variability of palay per farm in [microform]. Photoduplication Service University of the Philippines Library.
Citace podle Chicago (17th ed.)Acayan, dolores Samson. Variability of Palay Per Farm in [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1973.
Citace podle MLA (9th ed.)Acayan, dolores Samson. Variability of Palay Per Farm in [microform]. Photoduplication Service University of the Philippines Library, 1973.
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