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008 211201s2010 xx 000 0 eng d
082 _a375.4
100 _aMANGAL,S.K.
245 0 _aBal Adhigam prakriya
260 _bArya Book Depot
_aNew Delhi
_c2010
300 _aviii,144
650 _aEducation
942 _2ddc
_cBBN
999 _c387
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