Porterfield, Austin L <br/><br/>
Creative factors in scientific research 
L. Austin, Porterfield. 
 - Durham  Duke University Press  1961 
 - 260p.; 21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research - Scientific methods Research methodology. 
<br/><br/><label>Dewey Class. No.: </label>500  / P69C