Jumpaon A. Establishing a Leave Manual of Staff, Faculty of Humanities and Social Sciences, Nakhon Pathom Rajabhat University. HUSO-J [internet]. 2025 Oct. 31 [cited 2025 Dec. 11];15(3):13-2. available from: https://so07.tci-thaijo.org/index.php/HUSO-J/article/view/3645