Gay, L.R. <br/><br/>
Research methods for business and management /L.R. Gay, P.L. Diehl 

 - New York  Macmillan  1992 
 - xxi  697p 
<br/><br/><label>ISBN: </label>0023408103 
<br/><br/><label>Dewey Class. No.: </label>650.072  / N92