Nattapoom Nunto และผู้แต่งคนอื่นๆ. (2013) Comparison of 1-nitropyrene levels from exhaust emission of diesel fuel and community-scale biodiesel fuel. Chiang Mai University:ม.ป.ท.Nattapoom Nunto และผู้แต่งคนอื่นๆ. 2013. Comparison of 1-nitropyrene levels from exhaust emission of diesel fuel and community-scale biodiesel fuel. ม.ป.ท.:Chiang Mai University;Nattapoom Nunto และผู้แต่งคนอื่นๆ. Comparison of 1-nitropyrene levels from exhaust emission of diesel fuel and community-scale biodiesel fuel. ม.ป.ท.:Chiang Mai University, 2013. Print.