Suriyong Limsangkass และ Sudaporn Luksaneeyanawin. (2009) An interlanguage study of English intonation in Thai students speaking Pattani Malay as their mother tongue. Chulalongkorn University:ม.ป.ท.Suriyong Limsangkass และ Sudaporn Luksaneeyanawin. 2009. An interlanguage study of English intonation in Thai students speaking Pattani Malay as their mother tongue. ม.ป.ท.:Chulalongkorn University;Suriyong Limsangkass และ Sudaporn Luksaneeyanawin. An interlanguage study of English intonation in Thai students speaking Pattani Malay as their mother tongue. ม.ป.ท.:Chulalongkorn University, 2009. Print.