N. Artanti, Anif, et al. “Cellular Mechanism of the Cytotoxic Effects of Medinilla Speciosa (Parijoto) Methanol Extract on MCF-7 HER-2 Cells Is Through Increased Caspase-9 Protein and Decreased Vascular Endothelial Growth Factor Expression: doi.org 10.26538 Tjnpr V6i8.3”. Tropical Journal of Natural Product Research (TJNPR), vol. 6, no. 8, Aug. 2022, pp. 1183-8, https://tjnpr.org/index.php/home/article/view/1284.