Sorasak Thongmee. 2002. Factors affecting traffic performance of police traffic in the Metropolitan Police Subdivision 9. Field of Study Criminology and Criminal Justice, Mahidol University;
Sorasak Thongmee. (2002) Factors affecting traffic performance of police traffic in the Metropolitan Police Subdivision 9 . Mahidol University/Bangkok.
Sorasak Thongmee. Factors affecting traffic performance of police traffic in the Metropolitan Police Subdivision 9. . Bangkok:Mahidol University, 2002.
Sorasak Thongmee. (2002) Factors affecting traffic performance of police traffic in the Metropolitan Police Subdivision 9 . Mahidol University/Bangkok.