فهرس المقالات Seyed Mohammad Hosseini Herat المقاله 1 - Numerical Study of Unsteady Flow of Gas Through a Porous Medium By Means of Chebyshev Pseudo-Spectral Method S. M. Hosseini Herat E. Babolian S. Abbasbandy International Journal of Industrial Mathematics , العدد 4 , السنة 10 , تابستان 2018