Apirada Promhiran. 2008. A study of English listening comprehension problems of Thai teachers at Satit Kaset International Program. , Thammasat University;
Apirada Promhiran. (2008) A study of English listening comprehension problems of Thai teachers at Satit Kaset International Program . Thammasat University/Bangkok.
Apirada Promhiran. A study of English listening comprehension problems of Thai teachers at Satit Kaset International Program. . Bangkok:Thammasat University, 2008.
Apirada Promhiran. (2008) A study of English listening comprehension problems of Thai teachers at Satit Kaset International Program . Thammasat University/Bangkok.