“A Nortriterpenoid and Steroid from the Stem Bark of Aglaia Angustifolia Miq (Meliaceae)”. Jurnal Kimia Valensi 8, no. 1 (May 31, 2022): 106–112. Accessed June 18, 2026. https://journal.uinjkt.ac.id/index.php/valensi/article/view/23011.