Abdul Sattar Y. AL-Dabbagh, D., D. Kamel A. AL-Mohseen, and I. A. AL-Aani. “Estimating Daily Reference Evapotranspiration for Mosul Area Using Artificial Neural Networks”. Al-Rafidain Engineering Journal (AREJ), vol. 15, no. 4, Dec. 2007, pp. 16-27, doi:10.33899/rengj.2007.45211.