Hamaamin, H. K., & Ahmad, S. M. (2026). Analysis of Spatial Variability of Flood Hazard in Sulaimaniyah Plain Basin: Using HEC-1 – WMS Model. KOYA UNIVERSITY JOURNAL OF HUMANITIES AND SOCIAL SCIENCES, 9(2), 443–452. https://doi.org/10.14500/kujhss.v9n2y2026.pp443-452