Hans, Richard  <br/><br/>
Summary of research in science education for the years of 1965-67, elementary school level 
by Richard Hans ...[et al.] 
 - Ohio  ERIC Information Analysis Center for Sciience Education  1969 
 - 27p.;  28cm.- 
 - Science education information reports : research review series-science paper ; no.2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scieince-study and teaching research review : Science education
<br/><br/><label>Dewey Class. No.: </label>507.2  / SUM