Martauli, Elvin Desi, Seringena Br Karo, Swati Sembiring, and Riduan Sembiring. “Analysis Of Cattle Livestock Development Potential In North Sumatra Province”. JURNAL ILMIAH PETERNAKAN TERPADU 10, no. 2 (August 28, 2022): 193–208. Accessed October 20, 2025. https://jurnal.fp.unila.ac.id/index.php/JIPT/article/view/5879.