Mardhiyyah S, Zakiyah M, Renata ED, et al. Cytotoxic Activity of Xanthones from the Stem Bark of Cratoxylum sumatranum: http://www.doi.org/10.26538/tjnpr/v7i9.9. TJNPR. 2023;7(9):3908-3910. Accessed March 11, 2025. https://tjnpr.org/index.php/home/article/view/2593