Promthong, T., & Trakarnsirinont, W. (2017). The Study of Citizenship: Case Study of People in Umong Subdistrict, Mueang District, Lamphun Province. Political Science and Public Administration Journal, 8(2), 103–127. Retrieved from https://so05.tci-thaijo.org/index.php/polscicmujournal/article/view/107763