3R.Hiemstra.Self--directed Learning [A]. International Encyclopedia of Adult Education and Training (second edition) [C]. Elsevier Science Ltd. 1996.
4Bolhuis, S. (2003). Towards process-oriented teaching for self-directed lifelong learning: a multidimensional perspective. Learning and Instruction, 13, 327-348.
5Boekaerts, M. (1997). Self-regulated learning: A new concept embraced by researchers, policy makers, educators, teachers, and students. Learning and Instruction, 7(2), 161-186.
6Mozzon-MePherson, M. (2007). Supporting independent learning environments: An analysis of structures and roles of language learning advisers. System, 35, 66-92.
7Knowles, M. (1975). Self--directed learning. Cambridge Adult Education.
