Freedman P <br/><br/>
Principles of scientific research 

 -  1960 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>59780 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific research
<br/><br/><label>Dewey Class. No.: </label>Ab4, K0