Jintana Boonprasong. (2009) Language errors on signs translated from Thai into English /. Kasetsart University,:ม.ป.ท.Jintana Boonprasong. 2009. Language errors on signs translated from Thai into English /. ม.ป.ท.:Kasetsart University,;Jintana Boonprasong. Language errors on signs translated from Thai into English /. ม.ป.ท.:Kasetsart University, 2009. Print.