Murwanto, Agustinus Gatot. 2008. “Karakteristik Peternak Dan Tingkat Masukan Teknologi Peternakan Sapi Potong Di Lembah Prafi Kabupaten Manokwari : Farmer Characteristic and Level of Technology Inputs of Beef Husbandry at Prafi Valley, Regency of Manokwari”. Jurnal Ilmu Peternakan Dan Veteriner Tropis (Journal of Tropical Animal and Veterinary Science) 3 (1):8-15. https://doi.org/10.46549/jipvet.v3i1.349.