Nafisah, H.W., Purnama, T. and Rikawarastuti, R. 2025. Chewing water apple (syzygium aqueum) as an effort to reduce plaque index . Journal Center of Excellent : Health Assistive Technology . 3, 1 (Mar. 2025), 33–36. DOI:https://doi.org/10.36082/jchat.v3i1.2219.