Qayum A <br/><br/>
Numerical models of economic development 
Qayum A 
 -  1966 
<br/><br/><label>Standard No.: </label>10626 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:77:(B), K6