Sudawan Aum-aung. 1999. Organizational commitment of personnel working at Thai food and drug administration. Faculty of Graduate Studies, Mahidol University;
Sudawan Aum-aung. (1999) Organizational commitment of personnel working at Thai food and drug administration . Mahidol University/Bangkok.
Sudawan Aum-aung. Organizational commitment of personnel working at Thai food and drug administration. . Bangkok:Mahidol University, 1999.
Sudawan Aum-aung. (1999) Organizational commitment of personnel working at Thai food and drug administration . Mahidol University/Bangkok.