Cavallo Roger E. <br/><br/>
Role of systems methodologes in social science research 
Cavallo Roger E. 
 - Boston  Martinus Nijhoff        1979 
 - ix, 202p illus  cm. 
 - Prontiers in System Research; 1 .
<br/><br/><label>Standard No.: </label>86,639 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCES
<br/><br/><label>Dewey Class. No.: </label>#:f, L91