7ce0adc7155c63a5e2b-35d7 201610211200 ijaas ch.ta.yeh@gmail.com WEB-FORM International Journal of ADVANCED AND APPLIED SCIENCES Int. j. adv. appl. sci 2313626X 23133724 9 2016 9 2016 3 9 College of Engineering, Industrial Engineering Department, Haïl University, 2440-Haïl City, Saudi Arabia Naim Ben Ali Photovoltaic and Semiconductor Materials Laboratory, El-Manar University-ENIT PO Box 37, Le belvedere 1002-Tunis, Tunisia Abdulaziz Salem Alghamdi Issam Badawi College of Engineering, Industrial Engineering Department, Haïl University, 2440-Haïl City, Saudi Arabia Mounir Kanzari Photovoltaic and Semiconductor Materials Laboratory, El-Manar University-ENIT PO Box 37, Le belvedere 1002-Tunis, Tunisia 9 2016 9 2016 37 43 10.21833/ijaas.2016.09.007 http://www.science-gate.com/IJAAS/V3I9/Ali.html