PENGARUH INJEKSI PROTEIN MEMBRAN SPOROZOIT Eimeria tenella TERHADAP INDEKS REPRODUKSI OOSISTA PADA AYAM = THE EFFECT OF INJECT/ON OF PROTEIN MEMBRANE SPOROZOITES TO REPRODUCTION INDEX OF Eimeria tenella's OOCYST IN CHICK - Perpustakaan UGM, i-lib ([Yogyakarta] : Universitas Gadjah Mada, 2001)