Galtung, Johan. <br/><br/>
Theory and methods of social research / 
Johan Galtung. 
 - Columbia University Press :  New York,  1967. 
 - 534 p. :  tables, diagrs. ;  24 cm. 
 - Basic social science monographs, no.1 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.