ABDULRAHMAN, FARSAT HEETO, SOLEIMAN FOROUGHI, and SARHAT MUSTAFA ADAM. “A COMPARISON BETWEEN INTERPOLATION METHODS FOR MORE ACCURATE ELEVATION SURFACE USING GNSS AND GIS”. Journal of Duhok University 23, no. 2 (January 4, 2021): 342-351. Accessed April 20, 2024. https://journal.uod.ac/index.php/uodjournal/article/view/938.