Yogatama, T. M. ., R. . Hartanto, and D. Samsudewa. “Meta-Analysis: Effect of Forage and Concentrate Ratio on Reproduction, Quality, and Quantity of Milk in Dairy Cows”. Journal of Advanced Veterinary Research, vol. 15, no. 6, Nov. 2025, pp. 897-00, https://advetresearch.com/index.php/AVR/article/view/2415.