Selltiz. <br/><br/>
Research Methods in Social Relations  Textual Documents 

 - 1959. 
 - [s.l]:  Henry Holt and Company, Inc. ,  1959. 
 - XVI;622p.:  03128. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Statistics,.Data Collection, The Research Report.
<br/><br/><label>Dewey Class. No.: </label>307.2 SEL