Sutinyamanee, V. “Factors Determining Migration Among Hill Tribe People in Northern Thailand: A Case Study of Karen People in Pateung Community, Chiangmai Province, Thailand”. KASEM BUNDIT JOURNAL, vol. 17, no. 1, June 2016, pp. 150-63, https://so04.tci-thaijo.org/index.php/jkbu/article/view/58842.