Ashraf A. Ahmed, Gaber El-Saady, Karim Menoufi, Hamdy F. M. Mohamed. 2020. “Artificial Neural Based Improved Maximum Power Point Tracking for PV Water Pumping System”. International Journal of Advanced Science and Technology 29 (3), 7315 -25. http://sersc.org/journals/index.php/IJAST/article/view/7600.