Vol. 11 No. 2 (2018): Vol. 11 No.2 (July - Dec 2018) | Rajamangala University of Technology Tawan-ok Research Journal

Rajamangala University of Technology Tawan-ok Research Journal, Journal of Thai-Journal Citation Index Centre, ISSN 3027-8309, (Print), ISSN 3027-8325, (Online)