Bidarisugma, B., Sholikhah, M., Balbeid, S.U. and Irmawati, A. 2011. Piperin and piplartin as natural oral anticancer drug. Dental Journal. 44, 4 (Dec. 2011), 215–219. DOI:https://doi.org/10.20473/j.djmkg.v44.i4.p215-219.