Abdul Rahman Al-Jubouri, J., جلال, nihad hassan, and نهاد. “Topographic Analysis for Landform Classification Using Geographic Information System: A Case Study of Kirkuk City, Iraq”. Iraqi National Journal of Earth Science (INJES), vol. 25, no. 1, June 2025, pp. 49-69, https://rjps.uomosul.edu.iq/index.php/injes/article/view/15597.