M. S. Dewi, I. G. N. B. Tista, and D. B. Senduk, “Effectiveness of 10% and 15% Red Betel Leaf Extract (Piper Crocatum) Against Enterococcus Faecalis as an Antibacterial Agent in Root Canal Treatment”, interdental, vol. 21, no. 3, pp. 418–425, Dec. 2025.