Pham, M.H., Vu, K.C. and Nguyen, M.N. 2015. Introduction of remote sensing applications and WATEM model in study of soil erosion in mountainous areas. Journal of Geodesy and Cartography. 23 (Mar. 2015), 40–45. DOI:https://doi.org/10.54491/jgac.2015.23.135.