Jalalludin, J., W. Suryapratama, and C. H. Prayitno. “Effect of Vitamin A and Magnesium Supplementation on Consumption and Digestibility of Dry Matter and Organic Matter in Lamb”. Jurnal Sain Peternakan Indonesia, vol. 20, no. 1, Mar. 2025, pp. 33-38, doi:10.31186/jspi.id.20.1.33-38.