Thuy, L.T.B. and Thuong, L.T.T. 2025. Preservation and Promotion of Traditional Culture of Ethnic Minorities in Tourism Development in Tuyen Quang Province, Vietnam. International Journal of Humanities and Education Development (IJHED). 7, 2 (Mar. 2025), 9–17. DOI:https://doi.org/10.22161/jhed.7.2.2.