Maliqi, Edon, Petar Penev, and Faik Kelmendi. “Creating and Analysing the Digital Terrain Model of the Slivovo Area Using QGIS Software”. Geodesy and Cartography 43, no. 3 (September 22, 2017): 111-117. Accessed November 25, 2024. https://gc.vgtu.lt/index.php/GAC/article/view/559.