H. Allag, S. Mendaci, M. E. H Latreche, M. R. Mekideche and N. Ikhlef
International Journal of Electrical and Power Engineering 1 ( 3 ): 363 - 367 , 2007
H. Allag, M.E.H Latreche, M.R. Mekideche and N. Ikhlef
Journal of Engineering and Applied Sciences 2 ( 7 ): 1199 - 1202 , 2007