Khamwan, M. (2021). Trail of Tai Daeng (Red Tai), a Forgotten Ethnic Group: A Case Study of Tai Daeng in Ban Huai Phak Nao, Lat Khang Sub-District, Phu Ruea District, Loei Province. Research and Development Journal, Loei Rajabhat University, 16(57), 77–88. retrieved from https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/247918