Ratthaya Lertlapwasin และผู้แต่งคนอื่นๆ. (2007) Ionic liquid extraction of metal ions by 2-aminothiophenol in 1-butyl-3-methylimidazolium hexafluorophosphate. Chulalongkorn University:ม.ป.ท.Ratthaya Lertlapwasin และผู้แต่งคนอื่นๆ. 2007. Ionic liquid extraction of metal ions by 2-aminothiophenol in 1-butyl-3-methylimidazolium hexafluorophosphate. ม.ป.ท.:Chulalongkorn University;Ratthaya Lertlapwasin และผู้แต่งคนอื่นๆ. Ionic liquid extraction of metal ions by 2-aminothiophenol in 1-butyl-3-methylimidazolium hexafluorophosphate. ม.ป.ท.:Chulalongkorn University, 2007. Print.