Parasite and predator populations in insecticide-treated corn field [microform]

Bibliographic Details
Main Author:	Yadao, Amante Idar
Format:	Visual Material
Published:	Quezon City University of the Philippines Library 1982.
Subjects:	Corn > Diseases and pests > Philippines > Pangasinan. Corn > Diseases and pest resistance > Philippines > Pangasinan.