000 00344nam a2200145Ia 4500
008 210901s9999 xx 000 0 eng d
082 _a517 KUM
100 _aKumar, R.
245 0 _aCalculus : differential and integral
250 _a21th ed.
260 _aDelhi
_bVardhman Pub.
300 _a494p.
650 _aCalculus
942 _2ddc
_cBK
999 _c20386
_d20386