000 00243nam a22000977a 4500
999 _c11086
_d11086
008 180824b ||||| |||| 00| 0 eng d
020 _a9788178557403
100 _aAggarwal,M.L.
_96859
245 _aMathematics-XI
260 _aNew Delhi
_bArya
_c2018