Cortes, Fernando Holt, Robert T, ed Przeworski, Adam Sprague, John <br/><br/>
Systems analysis for social scientists 

 - New York  John Wiley and sons  1974 
 - xv,336p.; 22cm. 
 - Comparative studies in behavioral science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behaviors systems<br/>Social system<br/>Synchronic analysis