Keerati Suppatkul. 2009. Effects of teachers' English accents on listening comprehension ability of upper secondary school studentsKeerati Suppatkul. Faculty of Education, Chulalongkorn University;
Keerati Suppatkul. (2009) Effects of teachers' English accents on listening comprehension ability of upper secondary school studentsKeerati Suppatkul . Chulalongkorn University/Bangkok.
Keerati Suppatkul. Effects of teachers' English accents on listening comprehension ability of upper secondary school studentsKeerati Suppatkul. . Bangkok:Chulalongkorn University, 2009.
Keerati Suppatkul. (2009) Effects of teachers' English accents on listening comprehension ability of upper secondary school studentsKeerati Suppatkul . Chulalongkorn University/Bangkok.