000 00262nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aKULSHRESTHA ARUN KUMAR
_914621
245 0 _aTEACHING OF MATHEMATICS
260 _bSURYA PUB.
300 _a536
942 _cBK
999 _c110673
_d110673