Tran, V.T. and Nguyen, X.S. 2010. Analysis land use status of ethnic minorities for substainable development at Dong Sang Commune, Moc Chau District, Son La Province. Journal of Geodesy and Cartography. 3 (Mar. 2010), 55–59. DOI:https://doi.org/10.54491/jgac.2010.3.402.