Sirikarn Suvannapoo และ Asawin Nedpogaeo. (2019) Communication for cultural negotiation of e-san culture. National Institute of Development Administration:ม.ป.ท.Sirikarn Suvannapoo และ Asawin Nedpogaeo. 2019. Communication for cultural negotiation of e-san culture. ม.ป.ท.:National Institute of Development Administration;Sirikarn Suvannapoo และ Asawin Nedpogaeo. Communication for cultural negotiation of e-san culture. ม.ป.ท.:National Institute of Development Administration, 2019. Print.