Pratiwi, Puspa Dwi, Nanda Putri Rizki, Elisma Elisma, and Indri Maharini. “Comparison of Antioxidant Activity of Crude Extract And Gel Preparation From Alstonia Scholaris L. Leaf Extract”. SANITAS: Jurnal Teknologi dan Seni Kesehatan 14, no. 2 (December 31, 2023): 95–105. Accessed August 27, 2026. https://sanitas.poltekkesjkt2.ac.id/index.php/SANITAS/article/view/481.