Benjamaporn Srabua. (2007) An analysis of needs and problems in the use of English for occupational purposes of hotels PR officers in Bangkok /. Kasetsart University,:ม.ป.ท.Benjamaporn Srabua. 2007. An analysis of needs and problems in the use of English for occupational purposes of hotels PR officers in Bangkok /. ม.ป.ท.:Kasetsart University,;Benjamaporn Srabua. An analysis of needs and problems in the use of English for occupational purposes of hotels PR officers in Bangkok /. ม.ป.ท.:Kasetsart University, 2007. Print.