Techniques of evaluation of basic demographic data / 

 - Addis Ababa :      UNECA ,  1975     
 - 268p. :  ill. ;  30 cm. 
 - African population studie series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>312  / UNECA