Pham, Hung, Hoc, Phan Ba, Viet, Nguyen Quoc, Thai, Le Xuan, Chinh, Le Sy, AND Hai, Nguyen Xuan. " Integrated Geographical Information System (GIS) and Remote Sensing for Soil Erosion Assessment by Using Universal Soil Loss Equation (USLE): Case Study in Son La Province" VNU Journal of Science: Earth and Environmental Sciences [Online], Volume 35 Number 1 (26 March 2019)