Bouchakour, Abdelhak, Mostéfa Brahami, and Abdelhalim Borni. 2017. “Comparative Study on Photovoltaic Pumping Systems Driven by Different Motors Optimized With Sliding Mode Control”. International Journal of Engineering and Technology Innovation 7 (3), 201-16. http://ojs.imeti.org/index.php/IJETI/article/view/294.