Orawee Deerasamee. (2009) Determination of organophosphate pesticides using gas chromatography. Mahidol University,:ม.ป.ท.Orawee Deerasamee. 2009. Determination of organophosphate pesticides using gas chromatography. ม.ป.ท.:Mahidol University,;Orawee Deerasamee. Determination of organophosphate pesticides using gas chromatography. ม.ป.ท.:Mahidol University, 2009. Print.