000 00495nam a22001697a 4500
005 20260508140234.0
008 260508b |||||||| |||| 00| 0 eng d
020 _a9780521387958
_qpbk
041 _aeng
082 _a418.007 HAR
245 _aThe Development of Second Language Proficiency
260 _aUnited States of America
_bCambridge University Press
_c1990
300 _a248p. :
_c25cm
504 _aBib and Ref
650 _aStandard usage & applied linguistics
942 _cENGLISH
999 _c622863
_d622863