pundontong, N. ““Bhu-Cha" Drums in Lan Na History: The Ceremonies and Beliefs in the Mekong Delta”. Journal of Humanities and Social Sciences Uttaradit Rajabhat University, vol. 8, no. 1, July 2021, pp. 15-28, https://so04.tci-thaijo.org/index.php/johuru/article/view/249228.