ศิลวัฒนาวงศ์ ช. (2018) “The Need of Adult Students in Studying Piano: A Case Study KPN Music Academy”, Rangsit Music Journal, 11(2), pp. 37–48. Available at: https://so06.tci-thaijo.org/index.php/rmj/article/view/126859 (Accessed: 7 May 2024).