00277nam a2200109Ia 4500008004100000020001800041082001100059100001500070245002800085260004600113300000800159190710s9999    xx            000 0 und d  a81-207-1747-3  a375.51  aSidhu, K S 0aTeaching of mathematics  aNew DelhibSterling Publishers Privc2000  a414