000 00395nam a22001575 4500
020 _a9780340905593
041 _aeng
082 _a418
_bU55
100 _aOrtega, Lourdes
245 _aUnderstanding second language acquisition
260 _aLondon
_bPenguin Books
_c2009
300 _axv, 304 p.
_c29 cm.
500 _a000881
_aCH 881
650 _aSecond language acquisition
942 _cBOOK
999 _c27096
_d27096