Rungtip Jantanakul. (1998) A study of communication during retirement in the Thai organizational context. National Institute of Development Administration:ม.ป.ท.Rungtip Jantanakul. 1998. A study of communication during retirement in the Thai organizational context. ม.ป.ท.:National Institute of Development Administration;Rungtip Jantanakul. A study of communication during retirement in the Thai organizational context. ม.ป.ท.:National Institute of Development Administration, 1998. Print.