000 00683nam a2200181Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aMATH QA1.N3
110 1 0 _aNational Council of Teachers of Mathematics
_eAuthor
245 1 0 _aEnvironment mathematics for high school
_b: twenty-eight yearbook
_cNational Council of Teachers of Mathematics
260 _aWashington, D.C.
_bNational Council of Teachers of Mathematics
_c1963
300 _aix,388p.
_c24cm.
490 _aYerabook (National Council of Teachers of Mathematics) , 1963
504 _aIncludes bibliogrpaphy
650 _aMathematics
650 _aStudy and teaching (Secondary)
942 _2lcc
_cBK
999 _c68691
_d68691