Raveechatphong, K. . “Action Research for Developing a Music and Rhythmic Activities Package for The Early Childhood”. Journal of Research and Development Institute Rajabhat Maha Sarakham University, vol. 8, no. 2, Nov. 2021, pp. 441-50, https://so03.tci-thaijo.org/index.php/rdirmu/article/view/252331.