Respon fungsional parasitoid Cephalomonia Stephanoderis betr terhadap bubuk buah kopi, hypothenemus hampei ferr=functional response of parasitioid chephalomomia Stephanoderis betr. to coffee Berry Borer, Hypothenemus Ham - Perpustakaan UGM, i-lib ([Yogyakarta] : Universitas Gadjah Mada, 1999)