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Rajamangala University of Technology Tawan-ok Chakrabongse Bhuwanat Campus 122/41 Vibhavadi Rangsit Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400 Tel. 0-2692-2360-4 Ext. 817, 287, 811 Fax 0-2692-2360-4 Ext. 286