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020 _a0137100477
020 _a9780137100477
020 _qpbk
020 _qpbk
082 _a401.9
_bKRA
100 _aKrashen, Stephen D.
245 0 _aPrinciples and practice in second language acquisition
260 _aHertfordshire
_bPrentice Hall Europe
_c1995
300 _aix, 202p. ; 21cm.
490 _aLanguage teaching methodology series
653 _aLanguage and languages--Study and teaching
653 _aSecond language acquisition
942 _cBK
999 _c52752
_d52752