Watcharapong Khunpluem และ Chokechai Suveatwatanakul. (2017) Guidelines for developing employee engagement to enhance innovative organization in Thai hotel business. National Institute of Development Administration:ม.ป.ท.Watcharapong Khunpluem และ Chokechai Suveatwatanakul. 2017. Guidelines for developing employee engagement to enhance innovative organization in Thai hotel business. ม.ป.ท.:National Institute of Development Administration;Watcharapong Khunpluem และ Chokechai Suveatwatanakul. Guidelines for developing employee engagement to enhance innovative organization in Thai hotel business. ม.ป.ท.:National Institute of Development Administration, 2017. Print.