Chaiwase, D., T. Boonyam, and P. Ouppathumchua. “The Study of Classical Guitar Teaching Tactics on Youtube: A Case Study of Romance De Amor”. Mahidol Music Journal, vol. 1, no. 2, Oct. 2018, pp. 38-51, https://so04.tci-thaijo.org/index.php/mmj/article/view/181511.