000 00284nam a2200133Ia 4500
008 220509s9999 xx 000 0 und d
020 _a0
100 _aUma Sekaran
245 0 _aResearch methods for business
260 _bWiley
_c0
300 _a1
546 _aENGLISH
942 _CBK
999 _c3773
_d3773