فهرس المقالات Siamak Atabak المقاله 1 - The use of recyclable magnetic nanocatalyst Fe3O4@SiO2-(CH2)3-Pyridine-2-(1H)-tetrazole-Cu(II) in the synthesis of bis-coumarin derivatives under green conditions 10.30495/ijc.2023.1982870.2000 Ali Oji Moghanlou Mohammadali Pourshahi Siamak Atabak Nayer Mohammadian Tarighi Iranian Journal of Catalysis , العدد 2 , السنة 13 , بهار 2023