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041 _aeng
082 _a370.78
_bSUKE
100 _aS. P. Sukhla, P. V. Mehrotra, R. N. Mehrotra
245 0 _aElements of educational research /
_cS. P. Sukhla, P. V. Mehrotra, R. N. Mehrotra
260 _bAllied Publishers New Delhi
300 _a0
650 _aEducation
942 _cBK
999 _c23541
_d23541