00382nam a2200145Ia 4500003000600000005001700006008004100023020001800064040002500082082001900107100001900126245004900145260002300194500001900217NORSU20240710070116.0240214s9999    xx            000 0 und d  a1-4129-8703-5  aNORSU-DumcNORSU-Dum  a372.7 T22 2011  aLeong, Melinda 0aTeaching by design in elementary mathematics  bCorwin Pressc2011  aincludes index