000 00264nam a22001217a 4500
999 _c42774
_d42774
003 OSt
100 _aGupta, R K
245 _aPractical Record / Cumiulative Record
260 _aJalandhar
_bP V Books
_c2016
300 _a71p.
901 _a1569DON
942 _2ddc
_cBK