G.R. Jahanshahloo, F. Hosseinzadeh Lotfi, V. Rezaie and M. Khanmohammadi
Applied Mathematical Modelling 35 ( 1 ): 218 - 229 , 2011
G.R. Jahanshahloo, F. Hosseinzadeh Lotfi, Y. Jafari and R. Maddahi
Applied Mathematical Modelling 35 ( 1 ): 544 - 549 , 2011
G.R. Jahanshahloo and M. Afzalinejad
Journal of Applied Sciences 7 ( 23 ): 3750 - 3755 , 2007