000 00248nam a22001217a 4500
003 OSt
100 _aAgarwal, J C
245 _aShaikshik Drishtikon
260 _aAgra
_bAggarwal Pub.
_c2012
300 _a72p.
901 _a1934BED
942 _2ddc
_cBK
999 _c37332
_d37332