4 1 50 Sudarmo Primary Author Ong Han Ling Primary Author mixed material - DEPARTEMEN PENDIDIKAN DAN KEBUDAYAAN UNIVERSITAS TERBUKA KERJASADEPARTEMEN AGAMA 1978 P.M Huang Primary Author M. Schnitzer Primary Author mixed material 9794204100 Bogor Gadjah Mada University Press. 1983 Djoko Isbandi Primary Author mixed material Yogyakarta Yayasan Pembina Fakultass Pertanian Universitas Gadjah Mada - B. Velde Primary Author mixed material 3540580123 New York Springer 1995