Boonthiwaphon, S. “Developing Public Sector Human Resource Management Models in the Digital Era: A Comparative Study of Thailand, Singapore, and South Korea”. Journal of MCU Phetchaburi Review, vol. 9, no. 1, May 2026, pp. 281-95, https://so03.tci-thaijo.org/index.php/JPR/article/view/299536.