Chaiwase, Duangkamol, Treetip Boonyam, and Pawat Ouppathumchua. 2018. “The Study of Classical Guitar Teaching Tactics on Youtube: A Case Study of Romance De Amor”. Mahidol Music Journal 1 (2):38-51. https://so04.tci-thaijo.org/index.php/mmj/article/view/181511.