Caburian, Adeltrudes B., Marina O. Osi, and Reiner E. Belardo. “Antimicrobial Activity of the Volatile Oil from the Leaves of Piper Betle Linn”. Silliman Journal 56, no. 4 (October 6, 2022). Accessed April 3, 2025. http://sillimanjournal.su.edu.ph/index.php/sj/article/view/91.