000 00280nam a2200121Ia 4500
008 221001s1969 xx 000 0 eng d
082 _a658 HAG
100 _aHagur, D. C.
245 0 _aManagement economics
260 _aLondon
_bLyman
_c1969
300 _a356p.
942 _2ddc
_cBK
999 _c10509
_d10509