©2013 National Research Council of Thailand
Wanwiwa Numtip. 1996. The effect of improved fuel quality on diesel engine exhaust emissions. Graduate School, Chulalongkorn University;
Wanwiwa Numtip. (1996) The effect of improved fuel quality on diesel engine exhaust emissions . Chulalongkorn University/Bangkok.
Wanwiwa Numtip. The effect of improved fuel quality on diesel engine exhaust emissions. . Bangkok:Chulalongkorn University, 1996.
Wanwiwa Numtip. (1996) The effect of improved fuel quality on diesel engine exhaust emissions . Chulalongkorn University/Bangkok.