000 00312nam a2200133Ia 4500
008 211201s2004 xx 000 0 eng d
082 _a375.5
100 _aTYAGI, S.K
245 0 _aTEACHING OF ARITHMETICS
260 _bCOMMONWEALTH
_aNEW DELHI
_c2004
300 _a294
650 _aEducation
942 _2ddc
_cDOE
999 _c4221
_d4221