Rigby Paul H <br/><br/>
Conceptual foundations of business research 
Rigby Paul H 
 - New York  Wiley U.S.A.          1965 
 - xii, 215p. Bib. p 207-11  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industry Economics
<br/><br/><label>Dewey Class. No.: </label>X9b4, K5