Wangkeeree, P., Vivattanaseth, P., & Yingyongsak, W. (2020). Hed Wiak Ritual at Ban Nong Luang, Tambon Khok Ngam, Amphoe Dan Sai, Changwat Loei : Procedure, Belief and Existence. Journal of Humanities and Social Sciences University of Phayao, 8(2), 229-250. Retrieved from https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/248187