Cavallo, Roger E. <br/><br/>
The role of systems methodology in social science research / 
Roger E. Cavallo 
 - Boston :  M. Nijhoff,  1979 
 - ix, 202 p. :  ill. ;  24 cm. 
 - Frontiers in systems research ;  v. 1 .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0898380057 :  PND 40.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social sciences--Methodology
<br/><br/><label>Dewey Class. No.: </label>300.18