000 00289nam a2200109Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
100 _aSingh, Suraj and Gupta Rashmi
_917138
245 0 _aMathematics
260 _bUnique Publication Pvt. Ltd
_aNew Delhi
_c2019
942 _cBK
999 _c28754
_d28754