فهرس المقالات Saaid Karimian المقاله 1 - Synthesis of benzimidazole derivatives using Ni2+ supported on hydroxyapatite-core@shell γ-Fe2O3 nanoparticles both under solvent and solvent-free conditions Eshagh Rezaee Nezhad Saaid Karimian Iranian Journal of Catalysis , العدد 5 , السنة 5 , پاییز 2015