Economic commission for Africa    Annual report 5 may 1978-28 March 1979.    

 - New York  UN           1979 
 - iv,202p. Suppl;15  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45,93:3.N79<N79r, L9.15/UN