The Effect Of Supplementation Protected Soybean Meal To Total Solid And Density Of Friesian Holstein Milk At Dairy Early Lactation. ANGON : J. Anim. Sci. Tech. [Internet]. 2019 Jul. 22 [cited 2025 Dec. 30];1(3):206-12. Available from: http://jnp.fapet.unsoed.ac.id/index.php/angon/article/view/148