000 00298nam a2200121Ia 4500
008 220201s2021 xx 000 0 eng d
082 _a510
_bCHA
100 _aChadha R
245 0 _aBCA Mathematics ( First Semster )
260 _aNew Delhi
_bRC Publication
_c2021
300 _a262p.
942 _2ddc
999 _c38065
_d38065