Widyaningsih, Tri Dewanti, Muhammad Fawzul Alif Nugroho, and Arya Ulilalbab. “Optimasi Formula Wedang Uwuh Berbasis Rosella Merah Sebagai Minuman Fungsional”. Amerta Nutrition 6, no. 1 (March 18, 2022): 53–62. Accessed February 10, 2025. https://e-journal.unair.ac.id/AMNT/article/view/23096.