List of Articles Ultrasound condition Open Access Article Abstract Page Full-Text 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 Ali Yavar Karami Mohammadreza Manafi Keivan Ghodrati Ramin Khajavi Mohammad Hojjati 10.30495/iranjoc.2023.704939