000 00424cam a22001337a 4500
008 180718b1979 xxu||||| |||| 00| 0 eng d
082 _aP In8ed
100 _aHaddad, Wadi D.
245 _aEducational and economic effects of promotion and repetition practices
_cby Wadi D. Haddad
260 _aWashington, D.C.
_bIBRD
_c1979
300 _a52p. Paper
440 _aWorld Bank Staff Working Paper No. 319
650 _aEducation
999 _c223977
_d223977