Puttakunraksa, W., and M. Wisuttipat. “A Study of Suwit Bawonwattana’s Solo Organ on Khaek-Mon Sam Chan”. Fine Arts Journal: Srinakharinwirot University, vol. 19, no. 1, July 2015, pp. 34-38, https://so01.tci-thaijo.org/index.php/jfofa/article/view/92941.