Laonayor, P. (2023) “Guidelines for the Development of the 3-year Manpower Planning Process: a Case Study of the Khon Kaen Provincial Administrative Organization”, Journal of Humanities and Social Sciences Nakhon Pathom Rajabhat University. ์์Nakhon Pathom,Thailand, 13(2), pp. 51–61. available at: https://so07.tci-thaijo.org/index.php/HUSO-J/article/view/1898 (accessed: 14 June 2025).