Thanuthep Ritiluechai. 2002. Factors affecting non-commissioned police officers in Drug Investigation Subdivision, Metropolitan Police Bureau. Field of Study Criminology and Criminal Justice, Mahidol University;
Thanuthep Ritiluechai. (2002) Factors affecting non-commissioned police officers in Drug Investigation Subdivision, Metropolitan Police Bureau . Mahidol University/Bangkok.
Thanuthep Ritiluechai. Factors affecting non-commissioned police officers in Drug Investigation Subdivision, Metropolitan Police Bureau. . Bangkok:Mahidol University, 2002.
Thanuthep Ritiluechai. (2002) Factors affecting non-commissioned police officers in Drug Investigation Subdivision, Metropolitan Police Bureau . Mahidol University/Bangkok.