Thongrungruengchai, Naruechit, and Pannee Banchonhattakit. “Factors Related With the Parents’ Behavior of Helping Their Children Aged 1-5 Years Old in Brushing Teeth, in Nonsang District, Nhongbualumphu Province”. Srinagarind Medical Journal 28, no. 1 (August 22, 2013): 16–22. Accessed June 28, 2022. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/11087.