000 00305nam a2200121Ia 4500
100 _aKrashen, Stephen D
020 _a0-08-031103-2
942 _cBK
245 _aWriting
_bReserch, theory, and applications
260 _aPergamon institute of english, Oxford
_c1984
082 _a808 Kra
300 _avi,49p
999 _c63425
_d63425