000 00330nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c100
040 _aET
100 _aRANI SWARUPA T.
245 0 _aRESEARCH IN TEACHING OF MATHS
260 _bAPH. PUBLICATION
_aNEW DELHI
300 _a92
500 _a65835
942 _cBK
999 _c71798
_d71798