000 00231nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aDR. UMESH GUPTA
245 0 _aENGINEERING MATHEMATICS
260 _bMACMILLAN
942 _2ddc
_cBTECH
999 _c6981
_d6981