RIVERSON JOHN,  JUAN GAVIRIA,SYDNEY THRISCUTT <br/><br/>
RURAL ROADS IN SUB-SAHARAN AFRICA:  LESSONS FROM WORLD BANK EXPERINCE 

 - WASHINGTON,D.C:  THE WORLD BANK,  1991. 
<br/><br/><label>ISBN: </label>0821318691. 
<br/><br/><label>Dewey Class. No.: </label>338.0967 RIV