Pratiwi, P., Rizki, N. P., Elisma, E., & Maharini, I. (2023). Comparison of Antioxidant Activity of Crude Extract And Gel Preparation From Alstonia Scholaris L. Leaf Extract. SANITAS: Jurnal Teknologi Dan Seni Kesehatan, 14(2), 95-105. https://doi.org/10.36525/sanitas.2023.481