Thitima Rungratanaubon. 2000. Benzene toluene and xylene in exhaust from motorcycles. Inter-Department of Economics Science, Chulalongkorn University;
Thitima Rungratanaubon. (2000) Benzene toluene and xylene in exhaust from motorcycles . Chulalongkorn University/Bangkok.
Thitima Rungratanaubon. Benzene toluene and xylene in exhaust from motorcycles. . Bangkok:Chulalongkorn University, 2000.
Thitima Rungratanaubon. (2000) Benzene toluene and xylene in exhaust from motorcycles . Chulalongkorn University/Bangkok.