Comparability in social research 

 - London  Heinemann  1969 
 - xvii, 134 p.- 
 - Social science research council .
<br/><br/> include index 
<br/><br/><label>ISBN: </label>170006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science-Research
<br/><br/><label>Dewey Class. No.: </label>300.72  / COM