Dirickx Yvo M I <br/><br/>
Systems analysis by multilevel methods with applications to economics and management 
Dirickx Yvo M I; Jennergren L Peter 
 - Chichester  John Wiley          1979 
 - xi, 217p.  cm. 
 - International series on applied systems analysis; 6 .
<br/><br/><label>Standard No.: </label>1009 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:89M, L9