00697nam a2200205Ia 450000100060000000300050000600500170001100800410002801000150006905000170008408200110010110000270011224501140013926000490025330000240030250400290032665000270035565000610038270000480044320686BIBL20170223064013.0711013s1966    nyua     b    00010 eng    a 66011717 0 aLB1584b.D85  a372.8310aDunfee, Maxine.2Local10aSocial studies through problem solvingba challenge to elementary school teacherscMaxine Dunfee, Helen Sagl.0 aNew YorkbHolt, Rinehart and Winstonc[1966]  axii, 386 p.billus.  aIncludes bibliographies. 0aProblem Solving2Local 0aSocial sciencesxStudy and teaching (Elementary).2Local10aSagl, Helen L.d1906-ejoint author.2Local