Pornmit Kulkalyuenyong และผู้แต่งคนอื่นๆ. (2012) Analysis of organizational culture and commitment to the Ministry of Public Health under the central administration : a comparative study of service agents and policy agents. National Institute of Development Administration:ม.ป.ท.Pornmit Kulkalyuenyong และผู้แต่งคนอื่นๆ. 2012. Analysis of organizational culture and commitment to the Ministry of Public Health under the central administration : a comparative study of service agents and policy agents. ม.ป.ท.:National Institute of Development Administration;Pornmit Kulkalyuenyong และผู้แต่งคนอื่นๆ. Analysis of organizational culture and commitment to the Ministry of Public Health under the central administration : a comparative study of service agents and policy agents. ม.ป.ท.:National Institute of Development Administration, 2012. Print.