Isipradit, Jittinee, and Sakchai Hirunrux. “Self-Assessment: Student Journal for Thai Private Piano Student Aged between 8-10 Years Old”. Fine Arts Journal: Srinakharinwirot University 17, no. 2 (December 31, 2013): 215–221. accessed September 11, 2026. https://so01.tci-thaijo.org/index.php/jfofa/article/view/96327.