พลภาณุมาศ ส., and เข็มนาค พ. “Knowledge and Practice in Dental Health Care of Pre-school Children Caregivers in Nakhon Nayok Province”. Thai Dental Public Health Journal, vol. 13, no. 2, Apr. 2008, pp. 118-23, https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/209890.