000 00467nam a22001577a 4500
999 _c6628
_d6628
008 200928b ||||| |||| 00| 0 eng d
020 _a0521416876
040 _cDDC
082 _222
_a418.007
100 _aNunan,David
245 _aCollaborative Language Learning and teaching
_cDavid Nunan
260 _anew york
_bcambridge university press
_c1992
300 _aviii,272p.
_bill.:
_c22cm
500 _aincludes bibliographical reference and index
942 _2ddc
_cBK