จิตสันติวรรักษ์ ร. (2015). Evaluation of dental promotion and prevention program on children age 6 and 9 monthsold atsub district health promotinghospital in Phitsanulok province during 2012-2014. Thai Dental Public Health Journal, 20(1), 33–41. retrieved from https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/150692