000 00288nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
020 _a9788190923521
100 _aChandel,O.P.
245 _aShaikshik Taknik
260 _aAgra
_bShriyanshi
_c2010
300 _aviii,264p.;22cm
942 _cBK
999 _c6147
_d6147