Popper K R <br/><br/>
Scientific method with exercises 

 -  1899 
<br/><br/><label>Standard No.: </label>69,915 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R17, J9