Nahak, A.S. et al. 2023. PEMBUATAN MINUMAN PROBIOTIK DARI SARI UBI JALAR UNGU (Ipomoea batatas L.): KAJIAN JENIS DAN KONSENTRASI STABILIZER: Probiotic Herbal Beverage From Purple Sweet Potato Juice (Ipomoea Batatas L.): Study of Stabilizer Type and Concentration. Journal of Industrial Engineering & Technology Innovation. 1, 2 (Dec. 2023), 42–49. DOI:https://doi.org/10.61105/jieti.v1i2.60.