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_aBD-DhPL _bEnglish _cBD-DhPL _dBD-DhPL |
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| 082 | _a375 / U3e | ||
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_aHainaut, L. d'. _9154695 |
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| 245 |
_a Educational systems regulation : _b a methodological guide / _cL. d' Hainaut. |
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| 260 |
_aParis : _bUnesco, _cc 1980. |
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| 300 |
_a59 p. ; _c30 cm. |
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| 490 |
_aEducational studies and documents, _vNo. 33. |
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| 508 | _a346 | ||
| 650 |
_aEducational surveys. _9274658 |
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| 942 |
_2ddc _cBK |
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