Puyakul, Maj. Niphon. 2011. “Dental Caries Status and Factors that Relates to the Prevalence of Caries in Pathom 6 Primary School in Laksi District BMA and Private School”. Vajira Medical Journal : Journal of Urban Medicine 49 (1):37-45. https://he02.tci-thaijo.org/index.php/VMED/article/view/246.