Rahmawati, Noveri, et al. “Cytotoxic Activity Screening of Various Uncaria Spp Plants on T47d Breast Cancer Cells: Http: www.doi.org 10.26538 Tjnpr V7i1.19”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 1, Feb. 2023, pp. 2218-21, https://tjnpr.org/index.php/home/article/view/1564.