“Perbedaan Kualitas Kimiawi Kefir Susu Sapi, Susu Kedelai, Dan Susu Kacang Merah”. SainsTech Innovation Journal 2, no. 1 (May 20, 2019): 5–11. Accessed October 12, 2025. http://jkqh.uniqhba.ac.id/index.php/sij/article/view/108.