00948cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040007800111042001200189050002200201111011900223245005800342260009200400300002400492410008000516500001600596504002900612650004800641999001700689hew60000125 DLC20260227111510.0770822s1960    dcu      b   f100 0 eng c  ahew60000125   a(OCoLC)3208614  aU.S.Dept. of Health, Education, and Welfare. LibrarycNBrockUdOCoLCdDLC  apremarc00aQA11b.C647 1959c2 aConference on Psychological Problems and Research Methods in Mathematics Trainingd(1959 :cWashington University)10aResearch problems in mathematics education,breports.  a[Washington]bU.S. Dept. of Health, Education, and Welfare, Office of Educationc[1960]  avii, 130 p.c23 cm.10aUnited States.bOffice of Education.tCooperative research monographvno. 3  a"OE-12008."  aIncludes bibliographies. 0aMathematicsxStudy and teachingxCongresses  c34272d34272