“The Effect of Addition of Percentage of Cow Colostrum on Kefir Against Organoleptic Properties (Aroma, Taste, Texture and Overall)”. ANGON: Journal of Animal Science and Technology 1, no. 1 (March 20, 2019): 75–83. Accessed October 31, 2025. https://jnp.fapet.unsoed.ac.id/index.php/angon/article/view/44.