Tanyaporn Arya และ Kanchana Prapphal. (2007) The effects of a test taker-centered computer-based writing test on Thai first year university students' English writing performance. Chulalongkorn University:ม.ป.ท.Tanyaporn Arya และ Kanchana Prapphal. 2007. The effects of a test taker-centered computer-based writing test on Thai first year university students' English writing performance. ม.ป.ท.:Chulalongkorn University;Tanyaporn Arya และ Kanchana Prapphal. The effects of a test taker-centered computer-based writing test on Thai first year university students' English writing performance. ม.ป.ท.:Chulalongkorn University, 2007. Print.