P E Richmond;  <br/><br/>
New trends in integrated science teaching = Tendances nouvelles de l'intégration des enseignements scientifiques 

 - Paris   Unesco,   1969/70- 
 - 381p  27cm  
 - Teaching of basic sciences.; Unesco (Series)  Volume 1 .
<br/><br/><label>Subjects--Uniform Titles: </label><br/> Science -<br/>Study and teaching<br/>Congresses<br/>Curriculo (Area De Ciencias Biologicas)
<br/><br/><label>Dewey Class. No.: </label>507 U56n