Songwut Intajurk. 2000. Improving graduate education with a digital library of research documents. Faculty of Graduate Studies, Mahidol University;
Songwut Intajurk. (2000) Improving graduate education with a digital library of research documents . Mahidol University/Bangkok.
Songwut Intajurk. Improving graduate education with a digital library of research documents. . Bangkok:Mahidol University, 2000.
Songwut Intajurk. (2000) Improving graduate education with a digital library of research documents . Mahidol University/Bangkok.