000 00298nam a2200133Ia 4500
008 241129s9999 xx 000 0 und d
100 _aCooper, Donald R.
245 0 _aBusiness research methods
250 _a9th
260 _bTata McGraw Hill
260 _c2009
300 _a757
942 _cBK
999 _c21293
_d21293