000 00256nam a22000977a 4500
999 _c11238
_d11238
008 181108b ||||| |||| 00| 0 eng d
020 _a9788193647929
100 _aSharma,R.D.
_96987
245 _aMathematics-X
260 _aNew Delhi
_bDhanpat Publications
_c2018