Freedman, Paul <br/><br/>
The principles of scientific research / 
by Paul Freedman 
 - London :  MacDonald,  [1949] 
 - 222 p. 23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> PND 15.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>507.2