Arsyada, I. F., D. Rianti, and E. Munadziroh. “Antibacterial Activity of Mixed Pineapple Peel (Ananas Comosus) Extract and Calcium Hydroxide Paste Against Enterococcus Faecalis”. Dental Journal, vol. 51, no. 1, Mar. 2018, pp. 20-24, doi:10.20473/j.djmkg.v51.i1.p20-24.