Littlewood, William T.
Foreign and second language learning : language-acquisition research and its implications for the classroom
Cambridge University Press, 1994
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Mitchell, Rosamond
Second language learning theories
Arnold, 1998
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Mitchell, Rosamond
Second language learning theories
Routledge, 2004
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Cook, Vivian
Second language learning and language teaching
Edward Arnold, 2001
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Second language writing : research insights for the classroom
editedby Barbara Kroll
Cambridge University Press, 1990
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