Nurhasanah, N., Sadewi, S.M., Supriyanto, R. and Laila, A. 2019. Analisis Kadar Protein, Lemak, Dan Total Asam Laktat Dari Fermentasi Kefir Berbahan Baku Kolostrum Sapi. Analit : Analytical and Environmental Chemistry. 4, 02 (Oct. 2019), 30–41. DOI:https://doi.org/10.23960/aec.v4i2.2019.p30-41.