000 00360nam a22001577a 4500
999 _c2706
_d2706
003 OSt
008 180319b xxu||||| |||| 00| 0 eng d
020 _a9789386262431
082 _a370.150 MAN
100 _aMangal,S K
700 _aMangal,Shubhra
245 _aLearning & Teaching
260 _aDelhi
_bShipra Pub.
_c2017
300 _a357p
942 _2ddc
_cGB