فهرس المقالات Sedigheh Vaezifar المقاله 1 - The influence of alumina used as a support on the catalytic properties of Pt/Sn/Al2O3 systems in the dehydrogenation of isobutane Sedigheh Vaezifar hossein Faghihian Mehdi kamali Journal of the Iranian Chemical Research , العدد 5 , السنة 1 , زمستان 2008