000 00299nam a2200121Ia 4500
008 221102s9999 xx 000 0 und d
082 _a658.4032 SUS
100 _aSushil
245 0 _aSystem dynamics: for management support
260 _bH S Popli
_aNew Delhi
_c1993
300 _a457p p.
942 _cBK
999 _c648
_d648