Piyakamol Phintuyothin และ Mattanee Palungtepin. (2011) The use of English songs to improve the pronunciation of problematic English consonant sounds for Thai learners. Chulalongkorn University:ม.ป.ท.Piyakamol Phintuyothin และ Mattanee Palungtepin. 2011. The use of English songs to improve the pronunciation of problematic English consonant sounds for Thai learners. ม.ป.ท.:Chulalongkorn University;Piyakamol Phintuyothin และ Mattanee Palungtepin. The use of English songs to improve the pronunciation of problematic English consonant sounds for Thai learners. ม.ป.ท.:Chulalongkorn University, 2011. Print.