Dhira J. Ramdeja. (2001) Organizational commitment of Thai university instructors : a study of public and private universities in Bangkok Metropolis. National Institute of Development Administration,:ม.ป.ท.Dhira J. Ramdeja. 2001. Organizational commitment of Thai university instructors : a study of public and private universities in Bangkok Metropolis. ม.ป.ท.:National Institute of Development Administration,;Dhira J. Ramdeja. Organizational commitment of Thai university instructors : a study of public and private universities in Bangkok Metropolis. ม.ป.ท.:National Institute of Development Administration, 2001. Print.