| 000 | 00348pab a2200121 454500 | ||
|---|---|---|---|
| 008 | 180718b xxu||||| |||| 00| 0 eng d | ||
| 100 | _aCottrell Robert M. | ||
| 245 | _aA simple model of educational standards | ||
| 362 | _a84(4), Sep 1994, p.956-71 | ||
| 650 | _aEducation -- Standards -- U.S.A. | ||
| 773 | _aAmerican Economic Review | ||
| 909 | _a27795 | ||
| 999 |
_c27795 _d27795 |
||