Hasan, Muhammad Nur, Nining Haryuni, and Lestariningsih Lestariningsih. “The Effect of Unproductive and Productive Chicken Ratio on the Feasibility of Laying Hens Business”. Jurnal Ternak 14, no. 2 (December 5, 2023): 59–66. Accessed April 3, 2025. https://jurnalpeternakan.unisla.ac.id/index.php/ternak/article/view/160.