Kue-iad, Nuengruetai, Jirapong Sangthong, Bhunyabhadh Chaimay, and Somkiattiyos Woradet. “Prevalence of Child Development Delay Among Children Aged under 5 Years Old in Phatthalung Province”. Journal of Health Science of Thailand 28, no. 2 (April 30, 2019): 215–223. Accessed November 22, 2024. https://thaidj.org/index.php/JHS/article/view/6413.