000 00315nam a22001457a 4500
003 AUM
020 _a9788180303395
082 _a515.13/DUB
100 _aDubey, Paramjit, Ray, B.K
245 _aDifferential Calculus
250 _a2021
260 _aCampus Books International
300 _a224
942 _2ddc
_cBK
999 _c6987
_d6987