สฤษฎ์วานิช วราฤทธิ์, and หุ่นศรีสกุล จรัญญา. “Factors influencing the regularity of tooth brushing before bedtime behavior of the elderly in Huaiyod district Trang province”. Thai Dental Public Health Journal 19, no. 1 (June 30, 2014): 53–65. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/152433.