Đỗ Tuyết N. The potentials for developing trekking tour in Xuan Son national park, Phu Tho province. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY, [S. l.], v. 5, n. 12, p. 98–102, 2020. DOI: 10.51453/2354-1431/2019/249. Disponível em: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/249. Acesso em: 29 apr. 2024.