Bubpasopa, Chidnarong, Hirun Chaksen, and Kritsada Wongkhumchan. 2022. “The Electric Guitar Teaching Processes: A Case Study of Thammarat Duangsiri”. Journal of Education Rajabhat Maha Sarakham University 19 (3). Maha Sarakham, Thailand:177-84. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/261146.