Use of Remote Sensing and GIS to Study the Expansion of Sands and Vegetation in the Draa Region (Morocco) From Landsat Satellite Images. INJES [Internet]. 2026 Jan. 1 [cited 2026 Aug. 9];26(1):208-23. Available from: https://earth.uomosul.edu.iq/index.php/earth/article/view/60202