000 00253 a2200109 4500
082 _a650
_bGRB
100 _aGregoire, Roger
_9111645
245 _aBusiness management
_cRoger Gregoire,
260 _aParis:
_bUnesco,
_c1966.
300 _b220p.
942 _cBK
999 _c56601
_d56601