Soraya Tanjung, D. ., Daryono, and A. . Tsalasuna R. “THE EFFECT OF SOAKING ARECA NUT (Areca Catechu Linn.) SEED EXTRACT ON THE SURFACE ROUGHNESS OF NANOHYBRID COMPOSITE RESIN IN-VITRO STUDY”. Journal of Health and Dental Sciences, vol. 5, no. 3, Feb. 2026, pp. 233-42, https://jhds.fkg.unjani.ac.id/index.php/jhds/article/view/764.