Hung, Pham Van. “RISK ASSESSMENT OF DAMAGE CAUSED BY LANDSLIDE IN THE MOUNTAINOUS DISTRICTS OF QUANG NGAI PROVINCE”. Vietnam Journal of Earth Sciences 36, no. 2 (August 20, 2014): 108–120. Accessed January 26, 2022. https://vjs.ac.vn/index.php/jse/article/view/4492.