Deri Ardian, and Media Agus Kurniawan. “ANALISIS USAHA TERNAK DOMBA DI DESA TANJUNG JATI KABUPATEN LANGKAT”. Journal of Innovation Research and Knowledge 5, no. 1 (June 1, 2025): 569–576. Accessed July 5, 2025. https://mail.bajangjournal.com/index.php/JIRK/article/view/10355.