Atipon Jirantorn และ Vilaivan Roongruangratana Aroonmanakun. (2009) Factors affecting communication strategies of Thai professionals :. Thammasat University:ม.ป.ท.Atipon Jirantorn และ Vilaivan Roongruangratana Aroonmanakun. 2009. Factors affecting communication strategies of Thai professionals :. ม.ป.ท.:Thammasat University;Atipon Jirantorn และ Vilaivan Roongruangratana Aroonmanakun. Factors affecting communication strategies of Thai professionals :. ม.ป.ท.:Thammasat University, 2009. Print.