Hien, Le Thi Thu. “Application the Normalised Difference Vegetation Index of Landsat Imagery to Assess the Desertification in Binh Thuan Province”. Vietnam Journal of Earth Sciences 35, no. 4 (June 14, 2014): 357–363. Accessed November 8, 2025. http://vjes.vast.vn/jse/article/view/4120.