Joungtrakul, J. (2013) “Code of Ethics for HR Practitioners in the Public Sector under the Civil Service of Thailand”, HRD Journal. Chonburi, Thailand, 1(1), pp. 29–41. available at: https://so01.tci-thaijo.org/index.php/HRDJ/article/view/11193 (accessed: 10 December 2025).