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020 _a9789387472259
082 _a301 MAN
100 _aMangal S K
245 0 _aPedagogy of Social Sciences
250 _a2nd Ed
260 _bPHI LEARNING PRAVATE LIMITED
_aDelhi
_c2022
300 _a640p
650 _aEducation
690 _aEducation and Training
700 _aUma Mangal
942 _cBK
999 _c94826
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