Rattanawalee, Phatcharaporn, and Chitapong Treemas. “Creation of Improvisational Training Exercises for Elementary Piano Students”. An Online Journal of Education 15, no. 2 (December 9, 2020): OJED1502029 (13 pages). Accessed May 6, 2024. https://so01.tci-thaijo.org/index.php/OJED/article/view/242741.