فهرس المقالات Mohammad Khodaei المقاله 1 - N,N-Dimethylbiguanide immobilized on mesoporous and magnetically separable silica: Highly selective and feasible organocatalyst for synthesis of β-nitroalcohols Gisya Abdi Abdolhamid Alizadeh Mohammad Khodaei Mustaffa Shamsuddin Sohrab Ghouzivand Mitra Fakhari Mojtaba Beygzadeh Amirhossein Fallah Iranian Journal of Catalysis , العدد 4 , السنة 5 , تابستان 2015