000 | 00296nam a2200121Ia 4500 | ||
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003 | LDD | ||
040 | _cLDD | ||
041 | _aen | ||
245 | 0 | _aAmerican Educational Research Journal | |
260 |
_aWashington _bAmerican Economic Association _c1 Jan-31 Dec,1998 |
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362 |
_a35-35 _b01-Apr |
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942 |
_2ddc _cJ |
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999 |
_c191254 _d191254 |