Kota, Adirake, and Suradit Phaksuchon. 2021. “Melodic Styles of the Ranard- Ek in the Sathukam Piece from the Naphat Repertoire”. Journal of Fine and Applied Arts Khon Kaen University 13 (1). Khon Kaen, Thailand:290-307. https://so02.tci-thaijo.org/index.php/fakku/article/view/241683.