Sonsee, S., Y. Pongjaturawit, and N. Chaimongkol. “Factors Associated with Maternal Behavior in Promoting Play for Their Preschool Children”. Journal of Phrapokklao Nursing College, Chanthaburi, vol. 28, no. 1, Apr. 2018, pp. 90-99, https://he01.tci-thaijo.org/index.php/pnc/article/view/117874.