Harsono A, Rahman A, Putri RJ, et al. Isolation of Lignans from The Stem Bark of Willughbeia coriacea and Their Cytotoxic Activity: http://.www.doi.org/10.26538/tjnpr/v7i2.14. TJNPR. 2023;7(2):2394-2396. Accessed April 8, 2025. https://tjnpr.org/index.php/home/article/view/1654