Wigg,David. <br/><br/>
And then forgot to tell us why:  

 - Washington DC.   World Bank  1993 
<br/><br/><label>ISBN: </label>( Development essays ; 1). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Onchoceciasis - Africa,west
<br/><br/><label>Dewey Class. No.: </label>614.5552 WIG