Kraisuwan, S., Piromthamsiri, K., & Wongtong, O. (2010). Thai Ethnic’s Clothing: Style and Construction Technique of Blue Hmong, Karen, Yao and Black Lahu Tribals. Kasetsart Journal of Social Sciences, 31(2), 194–205. retrieved from https://so04.tci-thaijo.org/index.php/kjss/article/view/246670