000 00508nam a2200205zu 4500
008
020 _a0080253385
040 _beng
041 _aeng
082 0 4 _a401.9
_bK89
100 1 _aKrashen, S.
245 1 0 _aSecond language acquisition & second language learning /
_cS. Krashen.
300 _a151 ;
_c24 cm.
650 4 _aLanguages
655 4 _aSecond language teaching.
655 4 _aSecond language learning.
942 _cBOOK
999 _c90547
_d90547
264 _aNew York :
_bPergamon,
_c1984.