Karn Thamkasem. 1999. Problems in detective tasks of the polices officers of the Crime Suppression Division. Faculty of Graduate Studies, Mahidol University;
Karn Thamkasem. (1999) Problems in detective tasks of the polices officers of the Crime Suppression Division . Mahidol University/Bangkok.
Karn Thamkasem. Problems in detective tasks of the polices officers of the Crime Suppression Division. . Bangkok:Mahidol University, 1999.
Karn Thamkasem. (1999) Problems in detective tasks of the polices officers of the Crime Suppression Division . Mahidol University/Bangkok.