“EFFECTIVENESS OF TEXT MESSAGE INTERVENTION TO IMPROVE KNOWLEDGE, ATTITUDES AND PRACTICES OF PARENTS IN DENTAL HEALTH CARE FOR 3-YEAR-OLD CHILDREN AT SOME PRESCHOOLS IN HA NAM PROVINCE”. Vietnam Journal of Community Medicine 63, no. 1 (January 6, 2022). Accessed September 8, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/266.