“Karakteristik Yoghurt Probiotik dengan Penambahan Ekstrak Bunga Rosella (Hibiscus sabdariffa L) Selama Penyimpanan Suhu Dingin”, JIPTHP, vol. 6, no. 1, pp. 36–44, May 2019, Accessed: Dec. 24, 2025. [Online]. Available: https://journal.ipb.ac.id/ipthp/article/view/26199