อรุณรัตนดิลก สุมาลี, and คําชุม เรณู. “Application of the Learning and Self - Efficacy Theories on Gingivitis Prevention Behavior among Primary School Students of Nonthaburi Province”. Thai Dental Public Health Journal 13, no. 2 (April 30, 2008): 33–45. accessed December 7, 2025. https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/209824.