Trần Thị, Kim Oanh. “Develop Tourism in Association With the Local Marketing Strategy in Tuyen Quang Province”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 2, no. 4 (April 7, 2021): 118–126. Accessed November 22, 2024. https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/62.