000 00290nam a2200121Ia 4500
008 190723s9999 xx 000 0 und d
100 _aDonald R.Cooper
245 0 _aBusiness Research Methods
250 _a9th
260 _aNew York
_bMcGraw Hill
_c2006
300 _a744.:P
942 _cBK
999 _c1381
_d1381