Haryanti, S., I. Y. M. Sholikhah, and Y. Widiyastuti. “Efek Sinergis Kombinasi Ekstrak Etanolik Kayu Secang Dan Rimpang Lempuyang Pada Sel Kanker Payudara MCF-7”. Jurnal Kefarmasian Indonesia, vol. 9, no. 1, May 2019, pp. 1-9, https://www.jkefarind.com/index.php/jki/article/view/324.