“Isolation and Identification of Saponin Compounds from the Butanol Extract of Majapahit Leaves (Crescentia Cujete) Using Thin Layer Chromatography and Infrared Spectrophotometry”. Celebes Biodiversitas 1, no. 1 (Januari 30, 2018): 1–6. Diakses April 16, 2026. https://ojs.unpatompo.ac.id/index.php/cb/article/view/558.