Oratai Naewchampa และ Boon-anan Phinaitrup. (2018) The impacts of human resource management practices and leader-member exchange on the provincial waterworks authority's employees' attitudes and behaviors. National Institute of Development Administration:ม.ป.ท.Oratai Naewchampa และ Boon-anan Phinaitrup. 2018. The impacts of human resource management practices and leader-member exchange on the provincial waterworks authority's employees' attitudes and behaviors. ม.ป.ท.:National Institute of Development Administration;Oratai Naewchampa และ Boon-anan Phinaitrup. The impacts of human resource management practices and leader-member exchange on the provincial waterworks authority's employees' attitudes and behaviors. ม.ป.ท.:National Institute of Development Administration, 2018. Print.