Ratisoontorn, P. (1975). A biological and toxicological study of striped rice borer Chilo suppressalis (Walker) [microform]. Photoduplication Service,University of the Philippines library.
Chicago-referens (17:e uppl.)Ratisoontorn, Pensook. A Biological and Toxicological Study of Striped Rice Borer Chilo Suppressalis (Walker) [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1975.
MLA-referens (9:e uppl.)Ratisoontorn, Pensook. A Biological and Toxicological Study of Striped Rice Borer Chilo Suppressalis (Walker) [microform]. Photoduplication Service,University of the Philippines library, 1975.
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