Lazarsfeld Paul F <br/><br/>
Organizing educational research: An exploration 

 - Englewood Cliffs, New Jersey, USA  Prentice - Hall  1964 
 - ix,113p. 
<br/><br/><label>Source: </label>Books to be hide in OPAC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods