[1]
Đỗ Tuyết N. 2020. The potentials for developing trekking tour in Xuan Son national park, Phu Tho province. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY. 5, 12 (Dec. 2020), 98–102. DOI:https://doi.org/10.51453/2354-1431/2019/249.