Athitaya Pathan และ Rugphong Vongsaroj. (2018) Value co-creation model enhancing competitiveness of exhibition industry in Thailand. National Institute of Development Administration:ม.ป.ท.Athitaya Pathan และ Rugphong Vongsaroj. 2018. Value co-creation model enhancing competitiveness of exhibition industry in Thailand. ม.ป.ท.:National Institute of Development Administration;Athitaya Pathan และ Rugphong Vongsaroj. Value co-creation model enhancing competitiveness of exhibition industry in Thailand. ม.ป.ท.:National Institute of Development Administration, 2018. Print.