Development of statistical concepts and methods on disability for house hold surveys. 

 - New York  United Nations          1988 
 - viii,81p.  cm. 
<br/><br/> Statistical papers series M., no. 38 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45,93:3.N88s, M8/UN