Sathoy, Q. (1975). Toxicity of six organophosphorus insecticides to a field collected DDT resistance strain of rice weevil, Sitophilus oryzae (L) and red flour beetle, Tribollum castaneum (Herbst) [microform]. Photoduplication Service,University of the Philippines library.
Cita Chicago (17th ed.)Sathoy, Quab. Toxicity of Six Organophosphorus Insecticides to a Field Collected DDT Resistance Strain of Rice Weevil, Sitophilus Oryzae (L) and Red Flour Beetle, Tribollum Castaneum (Herbst) [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1975.
Cita MLA (9th ed.)Sathoy, Quab. Toxicity of Six Organophosphorus Insecticides to a Field Collected DDT Resistance Strain of Rice Weevil, Sitophilus Oryzae (L) and Red Flour Beetle, Tribollum Castaneum (Herbst) [microform]. Photoduplication Service,University of the Philippines library, 1975.