S, Mahral. “Penentuan Kadar Total Flavanoid Pada Ekstrak Etanol Daun Lengkuas Merah (Alpinia Purpurata K.Schum) Secara Spektrofotometri Uv-Vis”. Herbal Medicine Journal 3, no. 1 (April 12, 2021): 26-29. Accessed April 19, 2026. http://hmj.jurnalsenior.com/index.php/hmj/article/view/30.