Isolation and Identification of Saponin Compounds from the Butanol Extract of Majapahit Leaves (Crescentia cujete) Using Thin Layer Chromatography and Infrared Spectrophotometry. cb [Internet]. 30 Januari 2018 [dikutip 16 April 2026];1(1):1-6. Tersedia pada: https://ojs.unpatompo.ac.id/index.php/cb/article/view/558