©2013 National Research Council of Thailand
Duenden Viboolphant. 2005. The needs for the English communicative competence of non-native English speaking front-line staff of international airlines in Thailand. Field of Study English for Specific Purposes, Kasetsart University;
Duenden Viboolphant. (2005) The needs for the English communicative competence of non-native English speaking front-line staff of international airlines in Thailand . Kasetsart University/Bangkok.
Duenden Viboolphant. The needs for the English communicative competence of non-native English speaking front-line staff of international airlines in Thailand. . Bangkok:Kasetsart University, 2005.
Duenden Viboolphant. (2005) The needs for the English communicative competence of non-native English speaking front-line staff of international airlines in Thailand . Kasetsart University/Bangkok.