000 00314nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c90
040 _aET
100 _aRANI SWARUPA
245 0 _aTEACHING OF MATHS
260 _bAPH. PUBLICATION
_aNEW DELHI
300 _a159
500 _a65717
942 _cBK
999 _c71680
_d71680