An Efficient Procedure for the Synthesis of 2-Arylsubstituted Benzimidazoles Catalyzed by Co (II) Immobilized on Fe3O4@SiO2-NH2/EP@SAA as a Recyclable Nanomagnetic CatalystNikbin Mohammad & Mollashahi Ebrahim & Maghsoodlou Malek Taher & Lashkari Mojtaba2023PDF1.2 MBEN