Ruchlis Hy <br/><br/>
Discovering scientific method with science puzzle pictures 
Ruchlis Hy 
 -  1963 
<br/><br/><label>Standard No.: </label>69,926 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R17, K31