Yuniati, Yuyun, Kejora Handarini, and Mahfud Mahfud. “Pigment Extraction Method for Anthocyanin Natural Resources in Indonesia: A Review”. ASEAN Journal of Chemical Engineering 24, no. 1 (April 30, 2024): 65-78. Accessed July 4, 2024. https://dev.journal.ugm.ac.id/v3/AJChE/article/view/12097.