ตั้งนพวรรณ์ น., & ศรีเศรษฐนิล ส. (2008). Influential factors of wardens in taking school children to get dental services at Takfa Hospital, Nakhon Sawan. Thai Dental Public Health Journal, 13(3), 95–105. retrieved from https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/208851