Sumitra Hanphasuphong และ Adit Laixuthai. (1996) BMA Health Officers as Food Inspectors evaluation of a training program. Chulalongkorn University.:ม.ป.ท.Sumitra Hanphasuphong และ Adit Laixuthai. 1996. BMA Health Officers as Food Inspectors evaluation of a training program. ม.ป.ท.:Chulalongkorn University.;Sumitra Hanphasuphong และ Adit Laixuthai. BMA Health Officers as Food Inspectors evaluation of a training program. ม.ป.ท.:Chulalongkorn University. 1996. Print.