000 00373nam a2200169Ia 4500
008 210723s9999||||xx |||||||||||||| ||und||
035 _a46660
082 _a658
_BSYS / CHU
100 _aChurchman, C. West
245 0 _aSystems Approach
250 _a1st
260 _aNew York
_bDell Book
300 _a243
500 _a21444
650 _aManagement
942 _cBK
999 _c49150
_d49150