6Assinder, W. Peer teaching, peer learning[J]. ELT Journal,1991,45(3).
7Biggs, J. B. Student Approaches to Learning and Studying[C].Hawthorn, Australian Council for Educational Research, 1987.
8Biggs, J. B, Why and How do Hong Kong Students Learn? Using the Learning and Study Process Questionnaires[C]. University of Hong Kong, Faculty of Education, Education Paper 14, 1992.
9Broadyo E. & Carpenter, C. Learner perceptions of self-directed language learning at advanced level[J]. EDU Release Paper, University of Brighton, 1994.
10Brown. H. Principles of Language Learning and Teaching (3^rd Edition) [M]. Englewood Cliffs, NJ, Prentiee Hall Regents, 1994.
