Khairoo, N. “Opera Oriented Drama: The Singing Method of Cha Pra Som song in Inao from a ‘Buang Suang’ Episode”. Journal of Fine and Applied Arts Khon Kaen University, vol. 16, no. 1, June 2024, pp. 336-67, https://so02.tci-thaijo.org/index.php/fakku/article/view/264011.