| 000 | 00578nam a2200169Ia 4500 | ||
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| 999 |
_c41026 _d41026 |
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| 005 | 20220103112148.0 | ||
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a935989315 | ||
| 082 |
_a372 _bKAT _223 |
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| 100 | _aKATZ, Lilian G. | ||
| 245 | 4 |
_aThe case for mixed-age grouping in early education. / _c[by] Lilian G. Katz, Demetra Evangelou, Jeanette Allison Hartman |
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| 260 |
_aWashington _bNational Association for the Education of young children _c1990 |
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| 300 | _axi, 60 p. | ||
| 500 | _aIncludes appendix & references. | ||
| 650 | _aPrimary education | ||
| 942 | _cS | ||