Rachada Pongprairat และ Sudaporn Luksaneeyanawin. (2011) A study of interlanguage English intonation in Thai learners, and the degree of intelligibility and comprehensibility in native speakers' judgements. Chulalongkorn University:ม.ป.ท.Rachada Pongprairat และ Sudaporn Luksaneeyanawin. 2011. A study of interlanguage English intonation in Thai learners, and the degree of intelligibility and comprehensibility in native speakers' judgements. ม.ป.ท.:Chulalongkorn University;Rachada Pongprairat และ Sudaporn Luksaneeyanawin. A study of interlanguage English intonation in Thai learners, and the degree of intelligibility and comprehensibility in native speakers' judgements. ม.ป.ท.:Chulalongkorn University, 2011. Print.