00573nam a22001697a 4500003000400000005001700004008004100021040002300062082002400085100002400109245010600133260005200239300002500291504001900316650004400335700002400379OSt20260421065104.0260421b        |||||||| |||| 00| 0 eng d  aDWCL-Admin libcOC  aCirc. 300 N532 1965  aMassialas, Byron G.  aNew challenges in the social studies :b implications of research for teaching /cByron G. Massialas   aBelmont, California :bWadsworth Pub.,c[1965].  aix 261 p. ; c21 cm.  aInclude index.  a1. Social sciences--Study and teaching.  aSmith, Frederick R.