Freedman, Paul.  x <br/><br/>
The principles of scienctific research  x 

 - x 
 - Lond.  Macdonald  1949 
 - xi, 222 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Research 
<br/><br/><label>Dewey Class. No.: </label>007/FRP