00549nam a2200193Ia 450000500170000000800410001702000140005804000190007204100120009108200160010310000180011924500540013726000650019130000110025644000240026750400310029165000230032285000100034520240606110524.0131103s9999    xx            000 0 und d  a901225711  aLoreto College  aEnglish  a510.7bWILL  aWilliams, J D  aTeaching technique in primary MathscJ D Williams  aEnglandbNational Foundation for Educational Research c1971  a108p.   aExploring Education  aIncludas reference & index  aMathematics-Method  aLCBED