Apichat Puksawadde และ Pratoom Rerkklang. (2015) The development of innovative strategic public relations via online social media of the private sectors in Thailand. National Institute of Development Administration:ม.ป.ท.Apichat Puksawadde และ Pratoom Rerkklang. 2015. The development of innovative strategic public relations via online social media of the private sectors in Thailand. ม.ป.ท.:National Institute of Development Administration;Apichat Puksawadde และ Pratoom Rerkklang. The development of innovative strategic public relations via online social media of the private sectors in Thailand. ม.ป.ท.:National Institute of Development Administration, 2015. Print.