Silaen, Sonya Elisabeth, Qoryna Khalida, Zakki Muhtaram, and Paulus Budi Sitorus. 2026. “Analisis SWOT Strategi Pengembangan Usaha Peternakan Sapi Potong Pada Sistem Ekstensif Dan Semi-Intensif Di Kabupaten Langkat: SWOT Analysis of Development Strategies for Beef Cattle Farming Businesses under Extensive and Semi-Intensive Systems in Langkat Regency”. Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) 28 (3):222-38. https://doi.org/10.25077/jpi.28.3.222-238.2026.