R. Dash, Pritesh, Md. Sohel Rana, Choudhury M. Hasan, and Md. Abdul Muhit. 2021. “Friedelin Derivatives from Polygonum Flaccidum Showed Cytotoxic Activity on Vero Cell Line: doi.org 10.26538 Tjnpr V5i8.22”. Tropical Journal of Natural Product Research (TJNPR) 5 (8):1456-59. https://www.tjnpr.org/index.php/home/article/view/467.