Ariyani, D., Noviani, N. and Widiyastuti, R. 2024. Busy board media as an effort to increase knowledge caries prevention of early childhood . Journal Center of Excellent : Health Assistive Technology . 2, 2 (Sep. 2024), 129–133. DOI:https://doi.org/10.36082/jchat.v2i2.1888.