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Tungsten Tungsten karbida Tungsten trioksida Tunisia Tun Sri Lanang Tungawan Tunga Tunisia di Sukan Olimpik Musim Panas 2016 Tungku (kawasan negeri) TungkaiRujukan
WikiPedia: Tungsten_trioksida http://avogadro.chem.iastate.edu/MSDS/WO3.htm http://chemapps.stolaf.edu/jmol/jmol.php?model=O%3... http://pubchem.ncbi.nlm.nih.gov/summary/summary.cg... http://www.commonchemistry.org/ChemicalDetail.aspx... https://books.google.com/books?id=Xqj-TTzkvTEC