Tiwaporn Kongsom. (2016) The Impact of Teaching Communication Strategies on English Speaking of Engineering Undergraduates. <i>PASAA : a journal of language teaching and learning</i>, <i>51</i>, 39-70.Tiwaporn Kongsom. "The Impact of Teaching Communication Strategies on English Speaking of Engineering Undergraduates". PASAA : a journal of language teaching and learning 51 (2016):39-70.Tiwaporn Kongsom. The Impact of Teaching Communication Strategies on English Speaking of Engineering Undergraduates. สถาบันภาษา จุฬาลงกรณ์มหาวิทยาลัย:ม.ป.ท. 2016.