Chanasongkram, Nattakarn, and Supot Yukolthonwong. 2020. “DRILL DESIGN FOR MARCHING BAND”. Journal of Humanities and Social Sciences Suratthani Rajabhat University 12 (2). ฺืBangkok, Thailand:235-54. https://so03.tci-thaijo.org/index.php/jhsc/article/view/247461.