Freedman, Paul. <br/><br/>
The Principles Of Scientific Research / 
by Paul Freedman 
 - 2nd.ed. 
 - London :  Pergamon Press  1960 
 - xvii, 228 pages .:  illustrations.;  22 cm 
<br/><br/>Includes bibliographical references and indexs (p.: 222 - 228 ) 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/> Research
<br/><br/><label>Dewey Class. No.: </label>507.2  / FRE 1960