Ching'anda, Enock F. <br/><br/>
Manual on methods for estimation of missing international trade data in Africa / 
E.F. Ching'anda. 
 - Addis Ababa :  United Nations Economic Commission for Africa,  1 995. 
 - ix, 122 p. :  ill. ;  30 cm. 
<br/><br/>Includes bibliographical references: (p. 97-99). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Missing observations (Statistics)-- Methodology.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa-- Commerce-- Statistical services.
<br/><br/><label>Dewey Class. No.: </label>380.2 CHI