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 indexes. 
<br/><br/>Bibliography : p.  187 -195. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.