000 00251nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aMENKA
_914623
245 0 _aTEACHING OF MATHEMATICS
260 _bSURYA PUB.
_c2010
300 _a152
942 _cBK
999 _c110675
_d110675