Ismiyah, Elly. “Analysis of Operational Risk Management of Broiler Farms Closed House Systems”. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC) 1, no. 2 (December 23, 2021): 712–719. Accessed May 25, 2025. https://journal.umg.ac.id/index.php/umgeshic/article/view/3447.