Nantana Pikroh และ Parichatr Vanalabhpatana. (2009) Determination of Heavy Metals by Bismuth-Carbon Nanotube Modified Electrodes /. Chulalongkorn University,:ม.ป.ท.Nantana Pikroh และ Parichatr Vanalabhpatana. 2009. Determination of Heavy Metals by Bismuth-Carbon Nanotube Modified Electrodes /. ม.ป.ท.:Chulalongkorn University,;Nantana Pikroh และ Parichatr Vanalabhpatana. Determination of Heavy Metals by Bismuth-Carbon Nanotube Modified Electrodes /. ม.ป.ท.:Chulalongkorn University, 2009. Print.