Zulfarniansyah, Akhmad Baihaqi, and Erma Safitri. “Estrogen Concentration on Friesian Holstein Crossbred With Supplementation Feed Cassava Peel”. Jurnal Medik Veteriner 5, no. 1 (April 22, 2022): 94–97. Accessed August 11, 2024. https://e-journal.unair.ac.id/JMV/article/view/25309.