Pongwatana Sangkatananon Department of Geography, Faculty of Social Sciences, Chiang Mai University, Chiang Mai Thailand
Department of Geography, Faculty of Social Sciences, Chiang Mai University, Chiang Mai, Thailand
Chakrit Chotamonsak Department of Geography, Faculty of Social Sciences, Chiang Mai University, Chiang Mai Thailand
Puangpetch Dhanasin Department of Geography, Faculty of Social Sciences, Chiang Mai University, Chiang Mai Thailand