000 00323nam a2200157Ia 4500
100 _aGrewal, B S
080 _a510
526 _dTB
526 _aUG
366 _f20%
942 _cBK
245 _aHigher Engineering Mathematics, 43e, PB
260 _aKhanna Publ
_bNew Delhi
_c2016
300 _axi,1315
546 _aE
999 _c53503
_d53503