System methodology in social science research   
ed. by Roger Cavallo. 
 - Boston  Kluwer Nijhoff Publishing  1982 
 - x, 194p. 
 - Frontiers in systems research  V.2 .
<br/><br/><label>ISBN: </label>0898380448 
<br/><br/><label>Dewey Class. No.: </label>300.72  / N82