Ackoff Russell L <br/><br/>
Design of social research 

 - Chicago  University of chicago Press         1953 
 - xi, 20p  cm. 
<br/><br/> Bibliography chapterwise 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>B28, J3