Vacharaporn Uthayopas และผู้แต่งคนอื่นๆ. (2004) Satisfication of counsellor on telephone counselling during unofficial time. <i>Journal of Mental Health of Thailand</i>, <i>12</i>(3), 135-140.Vacharaporn Uthayopas และผู้แต่งคนอื่นๆ. "Satisfication of counsellor on telephone counselling during unofficial time". Journal of Mental Health of Thailand 12 (2004):135-140.Vacharaporn Uthayopas และผู้แต่งคนอื่นๆ. Satisfication of counsellor on telephone counselling during unofficial time. Department of Mental Health Thailand:ม.ป.ท. 2004.