Thitichaya Sonkaew และ Kittitouch Soontornwipast. (2008) First year students' opinion on using songs in EFL class at Naresuan University. Thammasat University:ม.ป.ท.Thitichaya Sonkaew และ Kittitouch Soontornwipast. 2008. First year students' opinion on using songs in EFL class at Naresuan University. ม.ป.ท.:Thammasat University;Thitichaya Sonkaew และ Kittitouch Soontornwipast. First year students' opinion on using songs in EFL class at Naresuan University. ม.ป.ท.:Thammasat University, 2008. Print.