Namwichaisirikul, Rerngsit, Nareerut Pudpong, and Warisa Panichkriangkrai. 2018. “Analysis of Dental Service Utilization and Dental Public Health Policy Among Thai Population in A Past Decade”. Khon Kaen University Dental Journal 21 (2):178-88. https://he01.tci-thaijo.org/index.php/KDJ/article/view/163709.