000 00295nam a22001217a 4500
020 _a9780521671378
082 _a428.0071 UR ESP85
100 _aUr,Penny
245 _aA Course in Language Teaching
260 _aNew York:
_bCambridge University Press,
_c1991.
300 _a375p.
942 _cBK
999 _c557601
_d557601