Hasan, M. N., N. Haryuni, and L. Lestariningsih. “The Effect of Unproductive and Productive Chicken Ratio on the Feasibility of Laying Hens Business”. Jurnal Ternak, vol. 14, no. 2, Dec. 2023, pp. 59-66, doi:10.30736/jt.v14i2.160.