Al-Hassany, G.S. (2022) “Estimation the best areas of Sun duration hours in Iraq by applying IDW type of interpolation techniques by using GIS program”, Iraqi Journal of Science, 58(1A), pp. 182–191. Available at: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6239 (Accessed: 6 December 2025).