KAJIAN RASIO INOKULUM FESES KERBAU/BUFFER (SALIVA BUATAN) PADA ANALISIS KECERNAAN PAKAN BERSERAT SECARA IN VITRO [Examination of the Ratios of Inoculums of Buffalo Faeces and Buffer Solution on the In Vtro Fibrous Feed Digestibility] - Sudirman, Sudirman (Faculty of Animal Agriculture, Diponegoro University, 2007)