Wilkinson, Richard G. <br/><br/>
Poverty and progress :  an ecological model of economic development / 
Richard G. Wilkinson. 
 - London :  Methuen,  c1973. 
 - xi, 225 p. 
<br/><br/><label>ISBN: </label>0416086608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Poverty.<br/>Economic development.