Ackoff, Russell L. <br/><br/>
The Design of Social Research  Textual Documents 

 - 1953. 
 - Chicago:  The University of Chicago Press,  1953. 
 - XI;420p.:  02191. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Statistics, Formulating The Problem, Some Frequently used Symbols.
<br/><br/><label>Dewey Class. No.: </label>300.723  ACK