Wilkinson, Richard G., <br/><br/>
Poverty and progress :  an ecological model of economic development / 
Richard G. Wilkinson. 
 - London :  Methuen,  1973. 
 - xi, 225 pages :  illustration ;  21 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0416086608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development<br/>Economic history