00400nam a2200145 45000010006000000050017000060080041000230200015000640350003000790410007000820500015000892450064001042600069001683000017002372146920230404125627.0060907n1989 dr spa  a0873532732  aEN14aCD F 005280 aCurriculum and evaluation standards for school mathematics a[s.l.] :National Council of Teachers of Mathematics,c1989  aviii, 258 p.