Halim, S. et al. 2024. Effectiveness of Pineapple (Ananas comosus (L) Merr) Ethanol Extract in Inhibiting Microbes in Biofilm on Acrylic Resin Denture Plates. Jurnal Penelitian Pendidikan IPA. 10, 4 (Apr. 2024), 2073–2090. DOI:https://doi.org/10.29303/jppipa.v10i4.7490.