Vo H, Nguyen T. Economic evaluation on the tourism and recreational values of Can Gio biosphere reserve by adopting the travel cost method. VNUHCM Journal of Science and Technology Development [Internet]. 30Dec.2015 [cited 1May2025];18(4):153-65. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/935