เมืองโคตร ถ. and จุณณะปิยะ ส. (2019) “Morale in Job Performance of Employees of Kasetsart University, Kamphaeng Saen Campus”, Thai Interdisciplinary and Sustainability Review. Bangkok, Thailand, 3(2), pp. 129–141. available at: https://so03.tci-thaijo.org/index.php/JIRGS/article/view/228218 (accessed: 11 September 2026).