W. L. Sumner <br/><br/>
Teaching of Science 

 - 3rd Edition. 
 - Oxford  Basil Blackwell  1947 
 - 194p 
<br/><br/>W. L. Sumner: Teaching of Science.  (3rd Edition.)  Oxford.  Basil Blackwell, 1947.--(375.5SUM)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>375.5  / SUM