000 00330nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9780520000000
082 _a418.0071RIC
100 _aGrabe William
245 0 _aCooperative learning and 2nd language teaching
260 _bCambridge university press
_c2012
942 _cBK
999 _c465331
_d465331