Sopit Vongkamolseth. 2003. Attitudes and problems of English self-learning with the CD-ROM "Active English Set I & II" of the science students, Silpakorn University. Field of Study Language and Culture for Communication and Development, Mahidol University;

Sopit Vongkamolseth. Attitudes and problems of English self-learning with the CD-ROM "Active English Set I & II" of the science students, Silpakorn University. . Bangkok:Mahidol University, 2003.

Sopit Vongkamolseth. (2003) Attitudes and problems of English self-learning with the CD-ROM "Active English Set I & II" of the science students, Silpakorn University . Mahidol University/Bangkok.