000 00347nam a22001337a 4500
020 _a9788170194682
082 _a025.432
_bSIN-U
100 _aSingh,K P.
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260 _aNew Delhi:
_bToday & tomoroow's ,
_c2013.
300 _a389p.;
650 _aUDC
942 _cBK
999 _c54156
_d54156