บุญรัตนไมตรี อ. (2016) “Concepts of Public Service in Government Sector and Local Administration”, Journal of Politics and Governance. Mahasarahham, Thailand, 6(1), pp. 25–37. available at: https://so03.tci-thaijo.org/index.php/jopag/article/view/193590 (accessed: 16 April 2025).