Social technology 
[by] Olaf Helmer. Contributions by Bernice Brown [and] Theodore Gordon.  
 - New York,  Basic Books  [1966]  
 - 108 p  illus  25 cm. 
<br/><br/>Includes bibliographical references.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology.
<br/><br/><label>LC Class. No.: </label>H61  / .H43