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

Suchit Chungcharoen
Department of Geography, Faculty of Social Sciences, Chiang Mai University, Chiang Mai
Thailand

Wanpen Charoentrakulpeeti
Department of Geography, Faculty of Social Sciences, Chiang Mai University, Chiang Mai
Thailand