000 | 00390nam a2200133Ia 4500 | ||
---|---|---|---|
082 |
_a371.28 _bHAD |
||
100 | _aHaddad, Wadi D. | ||
245 | _aEducational and economic effects of promotion and repetition practices. | ||
260 |
_aWashington D.C. _bWorld Bank _c1979 |
||
300 | _a54,iip. | ||
440 |
_aWorld Bank staff working paper _vNo.319 |
||
890 | _aUnited States | ||
999 |
_c9270 _d9270 |