Oratai Naewchampa. (2019) The Impacts of Human Resource Management Practices and Leader-Member Exchange on the Provincial Waterworks Authority's Employees' Attitudes and Behaviors. <i>Journal of Public and Private Management</i>, <i>26</i>(1), 5.Oratai Naewchampa. "The Impacts of Human Resource Management Practices and Leader-Member Exchange on the Provincial Waterworks Authority's Employees' Attitudes and Behaviors". Journal of Public and Private Management 26 (2019):5.Oratai Naewchampa. The Impacts of Human Resource Management Practices and Leader-Member Exchange on the Provincial Waterworks Authority's Employees' Attitudes and Behaviors. School of Public Administration, National Institute of Development Administration (NIDA):ม.ป.ท. 2019.