000 00289nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
082 _a0
_bReference AO
100 _aReference ao (S.B)
245 0 _aContemporary Challenge in management .
260 _c1991
300 _a312
942 _2ddc
999 _c6799
_d6799