Antibacterial Activity of Edible Film with the Addition of Betel Leaf Extract (Piper betle) againts Streptococcus mutans. JURNAL PROTEKSI KESEHATAN, [S. l.], v. 11, n. 1, p. 12–16, 2022. DOI: 10.36929/jpk.v11i1.465. Disponível em: https://jurnal.pkr.ac.id/JPK/article/view/465. Acesso em: 18 jan. 2026.