000 00289nam a2200121Ia 4500
008 221001s2019 xx 000 0 eng d
082 _a515 THU
100 _aThukral, J.K.
245 0 _aCalculus
250 _a3rd
260 _aNew Delhi
_bMaximax publishing house
_c2019
942 _2ddc
_cBK
999 _c49930
_d49930