Khumting, Theerapat, and Pakpoom Sookcharoe. 2021. “Boon Luang Tradition and Phi Ta Khon Festival, Dan Sai District, Loei Province: The Functions of Invented Tradition in the COVID-19 Crisis”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 41 (1):21-36. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/243533.