000 00251nam a2200097Ia 4500
008 230331s9999 xx 000 0 und d
020 _a97804151102353
100 _aCOHEN, L
_9178481
245 0 _aRESEARCH METHOD IN EDUCATION, 4TH EDITION
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c748889
_d748888