فهرس المقالات مهدی خلج المقاله 1 - Alkyl Ammonium Tungstate Bonded to Fe3O4@SiO2 Nanoparticles; a highly efficient Catalyst for the Oxidation of Symmetrical Sulfides to Symmetrical Sulfoxides 10.30495/ijc.2023.1993331.2039 Seyed-Mola Khatami Mehdi Khalaj Majid Ghashang Iranian Journal of Catalysis , العدد 5 , السنة 13 , پاییز 2023