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| 020 | _a9788174823809 | ||
| 040 | _cSBCL | ||
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_a371.26 _bKUM-M |
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| 100 | _aDr.Alok Kumar | ||
| 245 | _aCSIR-UGC NET/JRF/SET Mathematical Sciences | ||
| 260 |
_aAgra _bUpkar Prakashan |
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| 650 |
_2Social sciences _aEducation _vSchools & their activities; special education |
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| 942 | _cBOOK | ||
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_c136484 _d136484 |
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