J. David  Lockared <br/><br/>
Eight report of the international clearinghouse on science and mathematics curricular developments  

 - Maryland  College Park, Md. : Science Teaching Center, University of Maryland,   1972. 
 - 857p  25cm 
<br/><br/><label>Subjects--Uniform Titles: </label><br/> Science<br/>Study and teaching<br/>Curricula<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>370.72 L61i