000 00819nam a2200253uar4500
001 000017106
005 20240519144903.0
008 991125s1981 enka 000 0 eng d
020 _a0521281695
082 0 4 _a428.007
_bURP 1981
100 1 _aUr, Penny
245 1 0 _aDiscussions that work
_btask-centred fluency practice
_cPenny Ur
264 _aInglaterra
_bCambridge University Press
_c1981
300 _avi; 122 p.
_c23 cm.
650 4 _aInglés
_xestudio y enseñanza
905 _aLibros
950 _c20000814
950 _c20021023
950 _c20060109
950 _c20100920
950 _c20111027
950 _c20230914
999 _c116814
_d116814