Suyitman, Suyitman, S.H Sutjahjo, and A Djulardi. “Status Keberlanjutan Wilayah Berbasis Peternakan Sapi Potong Terpadu Di Kabupaten Lima Puluh Kota – Sumatera Barat”. Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) 14, no. 1 (February 1, 2012): 318–336. Accessed September 25, 2026. https://jpi.faterna.unand.ac.id/index.php/jpi/article/view/13.