Tanisaya Jiriyasin. (2014) Enlivening EFL Discussion Classrooms with a Problem-based Learning Approach. <i>PASAA : a journal of language teaching and learning</i>, <i>47</i>, 129_146.Tanisaya Jiriyasin. "Enlivening EFL Discussion Classrooms with a Problem-based Learning Approach". PASAA : a journal of language teaching and learning 47 (2014):129_146.Tanisaya Jiriyasin. Enlivening EFL Discussion Classrooms with a Problem-based Learning Approach. สถาบันภาษา จุฬาลงกรณ์มหาวิทยาลัย:ม.ป.ท. 2014.