Bussaba Suteetorn. 2003. Patterns of dropout in Thai distance education university : Sukhothai Thammathirat Open University. Field of Study Population and Development, National Institute of Development Administration;
Bussaba Suteetorn. (2003) Patterns of dropout in Thai distance education university : Sukhothai Thammathirat Open University . National Institute of Development Administration/Bangkok.
Bussaba Suteetorn. Patterns of dropout in Thai distance education university : Sukhothai Thammathirat Open University. . Bangkok:National Institute of Development Administration, 2003.
Bussaba Suteetorn. (2003) Patterns of dropout in Thai distance education university : Sukhothai Thammathirat Open University . National Institute of Development Administration/Bangkok.