Griffin, Keith B.,  1938- <br/><br/>
Planning development 
Keith B. Griffin and John L. Enos 
 - London  Addison-Wesley  1970 
 - 262 p. : ill. ; 24 cm. 
<br/><br/>p. 239-253 
<br/><br/><label>LCCN: </label>78-119465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic policy<br/>Economic policy--Mathematical models