Widia, W., Ependi, E. ., Amelia, A. ., Candra, C., & Roanisca, O. . (2023). Cytotoxicity activity of ethanol extract of mentangor stem skin (Calophyllum rufigemmatum) against breast cancer cells MCF-7 in vitro: Chemistry. Jurnal Pijar Mipa, 18(1), 72–76. https://doi.org/10.29303/jpm.v18i1.4113