Jawad, Laith A. “The Use of Geographic Information System Facilities to Estimate the Evapotranspiration in Iraq According to Thornthwaite Adjusted Formula”. Iraqi Journal of Science 57, no. 4A (February 4, 2022): 2566–2574. Accessed December 6, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6383.