Rohmatin, Iza Alfi, and Suparno Suparno. “Effect of Cocoa Bean Extract Concentration on the Diameter of the Clear Zone Preparing Streptococcus Mutans Bacteria”. Jurnal Penelitian Pendidikan IPA 9, no. SpecialIssue (December 25, 2023): 1277–1283. Accessed March 14, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/4703.