فهرس المقالات ramin khajavi المقاله 1 - New GO/Mn/Co Nanocatalysts: An effective catalyst for the preparation of 14-aryl-14H-dibenzo[a,j]xanthenes derivatives and amido alkyl naphthols under solvent-free conditions 10.30495/iranjoc.2023.704939 Ali Yavar Karami Mohammadreza Manafi Keivan Ghodrati Ramin Khajavi Mohammad Hojjati Iranian Journal of Organic Chemistry , العدد 2 , السنة 15 , بهار 2023