Bouchakour, A., Brahami, M. and Borni, A. (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), pp. 201-216. Available at: http://ojs.imeti.org/index.php/IJETI/article/view/294 (Accessed: 18September2019).