000 00318nam a2200133Ia 4500
005 20251003130213.0
008 251003s9999 xx 000 0 und d
082 _a658.072
100 _aCooper, Donald R
245 0 _aBusiness Research Methods
260 _bMcgraw Hill
_aNewyork
_c2011
300 _a757
942 _cBK
999 _c43702
_d43702