Atikhom Kongdee และ Pattama Sappapan. (2008) Self-determination in English language learning : a study of undergraduate students at the Department of Foreign Languages, Buriram Rajabhat University. Thammasat University,:ม.ป.ท.Atikhom Kongdee และ Pattama Sappapan. 2008. Self-determination in English language learning : a study of undergraduate students at the Department of Foreign Languages, Buriram Rajabhat University. ม.ป.ท.:Thammasat University,;Atikhom Kongdee และ Pattama Sappapan. Self-determination in English language learning : a study of undergraduate students at the Department of Foreign Languages, Buriram Rajabhat University. ม.ป.ท.:Thammasat University, 2008. Print.