The Journal of King Mongkut's University of Technology North Bangkok
วารสารวิชาการพระจอมเกล้าพระนครเหนือ

Wachira Lawpradit
Department of Business Administration, Faculty of Business Administration and Liberal Art, Rajamangala University of Technology Lanna Lampang, Lampang
Thailand

Surapong Petharn
Department of Computer, Faculty of Science, Lampang Rajabhat University, Lampang
Thailand

Weerasak Fongngen
Faculty of Rajabaht Lampang University
Thailand