Cortes, Fernando, 1941- <br/><br/>
System analysis for social scientists 

 - New York  1974 
 - xv,336p.  23cm. 
<br/><br/><label>ISBN: </label>0471175099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>LC Class. No.: </label>H61.C67