000 00409cam a22001337a 4500
008 180718b1993 xxu||||| |||| 00| 0 eng d
082 _aP04 P959
100 _aPsacharopoulos, George
245 _aReturns of investment in education: a global update
_cby George Psacharopoulos
260 _aWashington, D.C.
_bIBRD
_c1993
300 _a60p.
440 _aWorking papers WPS 1067
650 _aEducation - Finance
999 _c226562
_d226562