Pongsaranuntakul, Y., Rungamornarat, S., Nookong, A. and Supchareonmak, L. (2021) “Quality Improvement Model for Early Childhood Development Center: A Case Study of Child Development Center under Bangkok Metropolitan Administration”, Nursing Science Journal of Thailand, 39(3), pp. 91–105. available at: https://he02.tci-thaijo.org/index.php/ns/article/view/248975 (accessed: 20 September 2026).