Nimnual, C., Jaruchainiwat, P., & Wongwanich, S. (2022). Design and Development of School Readiness Enhancing Program of First Grade Students Using Design Based Research. STOU Education Journal, 15(1), 50–65. retrieved from https://so05.tci-thaijo.org/index.php/edjour_stou/article/view/253919