Kue-iad, N., J. Sangthong, B. Chaimay, and S. Woradet. “Factors Associated With Child Development Among Children Aged under 5 Years in Phatthalung Province”. Journal of Health Science of Thailand, vol. 29, no. 1, Feb. 2020, pp. 15-25, https://thaidj.org/index.php/JHS/article/view/8527.