Amonrat Phomchomcha และ Narong Praphairaksit. (2013) Method development for elemental analysis in biodiesel by inductively coupled plasma atomic emission spectrometry using emulsification technique. Chulalongkorn University.:ม.ป.ท.Amonrat Phomchomcha และ Narong Praphairaksit. 2013. Method development for elemental analysis in biodiesel by inductively coupled plasma atomic emission spectrometry using emulsification technique. ม.ป.ท.:Chulalongkorn University.;Amonrat Phomchomcha และ Narong Praphairaksit. Method development for elemental analysis in biodiesel by inductively coupled plasma atomic emission spectrometry using emulsification technique. ม.ป.ท.:Chulalongkorn University. 2013. Print.