000 00241nam a22001217a 4500
003 SGT
082 _bRAN
100 _aRANI, T. SWARUPA
245 _aTEACHING OF MATHEMATICS
260 _aDELHI
_bAPH
_c2020
300 _a129
942 _2ddc
_cBK
999 _c19897
_d19897