“Two Flavonoid Compounds As Antiproliferative Activity Against SP-C1 Cancer Tongue Cells from the Leaves of Rasamala (Altingia Excelsa Nornha)”. Jurnal Kimia Valensi, vol. 4, no. 2, Nov. 2018, pp. 75-78, https://doi.org/10.15408/jkv.v4i2.7304.