Warning: ini_set(): A session is active. You cannot change the session module's ini settings at this time in E:\inetpub\geofocus_ojs\lib\pkp\classes\session\SessionManager.inc.php on line 69
Thien, Bui B., Vu T. Phuong, and Do T. V. Huong. “Forest Cover Depletion and Land use/Land Cover Change in Bac Kan Province, Vietnam”. GeoFocus. International Review of Geographical Information Science and Technology, no. 34 (December 31, 2024): 29–44. Accessed September 29, 2025. https://www.geofocus.org/index.php/geofocus/article/view/820.