Surjowardojo P, Susilorini TE, Muarifa H, Rifa’i R, Handayani IM, Wardhana AC. Study of Fat, Lactose, and Protein Concentrations of Holstein Friesian Cow’s Milk Early Lactation. JURNAL TERNAK [Internet]. 2022 Dec. 31 [cited 2024 May 8];13(2):76-82. Available from: https://jurnalpeternakan.unisla.ac.id/index.php/ternak/article/view/172