Oh, J. H. (1975). Effect of x-rays on the pathogenicity of Pyricularia ryzae Cav. and on the resistance of rice varieties [microform]. Photoduplication Service,University of the Philippines Library.
Chicago-referens (17:e uppl.)Oh, Jeung Haing. Effect of X-rays on the Pathogenicity of Pyricularia Ryzae Cav. and on the Resistance of Rice Varieties [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1975.
MLA-referens (9:e uppl.)Oh, Jeung Haing. Effect of X-rays on the Pathogenicity of Pyricularia Ryzae Cav. and on the Resistance of Rice Varieties [microform]. Photoduplication Service,University of the Philippines Library, 1975.
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