Kannapat Kankaew และ Chindalak Vadhanasindhu. (2020) Aviation human capital development: ground service officer as a case. National Institute of Development Administration:ม.ป.ท.Kannapat Kankaew และ Chindalak Vadhanasindhu. 2020. Aviation human capital development: ground service officer as a case. ม.ป.ท.:National Institute of Development Administration;Kannapat Kankaew และ Chindalak Vadhanasindhu. Aviation human capital development: ground service officer as a case. ม.ป.ท.:National Institute of Development Administration, 2020. Print.