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