Aprylasari, Dede, et al. “Group Dynamics Among Beef Cattle Farmers in Merak Hamlet, Sumberwaru Village, Situbondo Regency”. Agriwar Journal , vol. 4, no. 1, June 2024, pp. 25-33, https://www.ejournal.warmadewa.ac.id/index.php/agriwar/article/view/9699.