Chatchada Treethawewongkul. (2010) Novices' use of L1 in an English class /. King Mongkut's University of Technology Thonburi,:ม.ป.ท.Chatchada Treethawewongkul. 2010. Novices' use of L1 in an English class /. ม.ป.ท.:King Mongkut's University of Technology Thonburi,;Chatchada Treethawewongkul. Novices' use of L1 in an English class /. ม.ป.ท.:King Mongkut's University of Technology Thonburi, 2010. Print.