000 00296nam a22001337a 4500
003 OSt
100 _aGupt, Shivnarayan
245 _aArthik Vishleshan ke Sidhaant
260 _aAgra
_bAggarwal Pub.
_c2015
300 _a536p.
700 _aGupt, Shivnarayan
901 _a691BED
942 _2ddc
_cBK
999 _c35053
_d35053