Alkyl Ammonium Tungstate Bonded to Fe3O4@SiO2 Nanoparticles; a highly efficient Catalyst for the Oxidation of Symmetrical Sulfides to Symmetrical Sulfoxides Seyed-Mola Khatami, Mehdi Khalaj*, Majid Ghashang, 10.30495/ijc.2023.1993331.2039 Requires Subscription PDF Requires Subscription HTML downloads: 193 views: 17