Nachmias Chava and  Nachmias David <br/><br/>
Research methods in social sciences 
Nachmias Chava and  Nachmias David 
 - 2 Edition 
 - Edward Arnold Publishers Ltd., London  1982 
 - 358 p 
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research activities
<br/><br/><label>Dewey Class. No.: </label>001.4S  NAC-R2