Kittipong Sanuwong และผู้แต่งคนอื่นๆ. (2011) Preparation of polyethylenemine-coated carbon nanotubed modified with methyl thioglycolate for extraction of gold (III) ions. Chulalongkorn University:ม.ป.ท.Kittipong Sanuwong และผู้แต่งคนอื่นๆ. 2011. Preparation of polyethylenemine-coated carbon nanotubed modified with methyl thioglycolate for extraction of gold (III) ions. ม.ป.ท.:Chulalongkorn University;Kittipong Sanuwong และผู้แต่งคนอื่นๆ. Preparation of polyethylenemine-coated carbon nanotubed modified with methyl thioglycolate for extraction of gold (III) ions. ม.ป.ท.:Chulalongkorn University, 2011. Print.