Sureerak Wongtip และ Pratoom Rerkklang. (2016) The pattern of integrated marketing communications in building customer relationship in government training organizations, private training organizations and university training centers in Thailand. National Institute of Development Administration:ม.ป.ท.Sureerak Wongtip และ Pratoom Rerkklang. 2016. The pattern of integrated marketing communications in building customer relationship in government training organizations, private training organizations and university training centers in Thailand. ม.ป.ท.:National Institute of Development Administration;Sureerak Wongtip และ Pratoom Rerkklang. The pattern of integrated marketing communications in building customer relationship in government training organizations, private training organizations and university training centers in Thailand. ม.ป.ท.:National Institute of Development Administration, 2016. Print.