Willfard,Hobart <br/><br/>
Advanced qualititate analysis 
Willfard,Hobart 
 - New york  D.Van Nostrand co  1970 
 - 243 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>U.S.-ECONOMIC CONDITIONS
<br/><br/><label>Dewey Class. No.: </label>neivb,4  1970