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| 005 | 20250508153902.0 | ||
| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 037 | _aTextual | ||
| 040 |
_aFEDL _beng _cFEDL |
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| 041 |
_aeng _2eng |
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| 084 |
_a207, FLA _qFEDL |
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| 100 |
_aFlaherty J. L. _9764609 |
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| 245 | 0 | _aStudy of the effect of operational factors on secondary school instruction | |
| 260 |
_aWashington, USA _bCatholic Universtiy of America Press _c1952 |
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| 300 | _avii,81p. | ||
| 942 |
_cTEXL _h207, FLA |
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| 999 |
_c1346138 _d1346138 |
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