Prasong Uthai และ Pattanan Tangwannawit; Chontida Yospan; Wattana Eakpamitsin; Sittisak Thongsuk; Prakrongkwan Sungjapo. (2025) Influences affecting employee happiness at work of private companies in Bangkok. <i>Journal of Management Science Nakhon Pathom Rajabhat University</i>, <i>12</i>(1), 67-79.Prasong Uthai และ Pattanan Tangwannawit; Chontida Yospan; Wattana Eakpamitsin; Sittisak Thongsuk; Prakrongkwan Sungjapo. "Influences affecting employee happiness at work of private companies in Bangkok". Journal of Management Science Nakhon Pathom Rajabhat University 12 (2025):67-79.Prasong Uthai และ Pattanan Tangwannawit; Chontida Yospan; Wattana Eakpamitsin; Sittisak Thongsuk; Prakrongkwan Sungjapo. Influences affecting employee happiness at work of private companies in Bangkok. Faculty of Management Science Nakhon Pathom Rajabhat University.:ม.ป.ท. 2025.