Loeddet S. The Development of Clerical Work and General Administration Manual Handbook Faculty of Humanities and Social Sciences at Nakhon Sawan Rajabhat University. hss.nsru [Internet]. 2020 Mar. 23 [cited 2024 May 9];6(2):276-87. Available from: https://so05.tci-thaijo.org/index.php/hssnsru/article/view/241649