000 00489nam a2200169I 4500
020 _a0080253385
040 _cORU
082 _a407 PER 1981 A023 Or.
100 1 0 _aKrashen, Stephen D
245 1 0 _aSecond language acquisition and second language learning /
250 _a1st ed
260 0 _aOxford ;
_aNew York :
_bPergamon Press,
_c1981
300 _avii, 151 p. :
_bill. ;
_c22 cm
490 1 _aLanguage teaching methodology series
650 0 _aLanguage and languages
942 _cEK
999 _c13156
_d13156