กัลยาสิริ เ. and ชัยพฤกษ์ ศ. (2008) “Proposed model of oral health program for primary schools in region one provinces”., Thai Dental Public Health Journal. Bangkok, Thailand, 13(2), pp. 159–168. available at: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/209898 (accessed: 20 September 2026).