Ratnasari, Ina, Suhono Suhono, and Evi Selvi. “ANALISIS KELAYAKAN USAHA PETERNAKAN AYAM PROBIOTIK PADA PT. GUNUNG MAS”. Eqien - Jurnal Ekonomi dan Bisnis 5, no. 1 (September 12, 2018): 1-7. Accessed August 31, 2025. https://www.eqien.unismu.ac.id/index.php/OJS/article/view/9.