Busaya Wacharabutr. 2006. device to assess Thai Airways International Co. Ltd. cabin attendant's pragmatic and socio-linguistic communicative competenceBusaya Wacharabutr. Field of Study English for Specific Purposes, Kasetsart University;
Busaya Wacharabutr. (2006) device to assess Thai Airways International Co. Ltd. cabin attendant's pragmatic and socio-linguistic communicative competenceBusaya Wacharabutr . Kasetsart University/Bangkok.