2 1 50 G.A Wattimena Primary Author Nurhajati A.M Primary Author N.M Armini Wiendi Primary Author Agus Purwito Primary Author Darda Efendi Primary Author Bambang S. Purwoko Primary Author Nurul Khumaida Primary Author mixed material 9789794932896 IPB PRESS IPB PRESS 2011 Narsum Additional Author Zarkasi Additional Author Purwito Additional Author Trisnowati Additional Author Moh. Tholib Additional Author Sumirat Bw Additional Author mixed material Purwokerto Departemen Pendidikan dan Kebudayaan Universitas Jenderal Soedirman 1986