000 00351nam a2200145Ia 4500
008 210301b2012 xxu||||| |||| 00| 0 eng d
100 _aMANGAL, S.K.
245 _aTEACHING OF MATHEMATICS
260 _aDELHI
_bTANDON
_c2012.
300 _a546
500 _aB.ED
690 _aMATHEMATICS
690 _aB.ED
690 _aDEPARTMENT OF EDUCATION
690 _aMRU
905 _aBooks
906 _aMRU
907 _a145161
999 _c232997
_d232997