Krippendorff, Klaus. <br/><br/>
Content analysis :  an introduction to its methodology / 
Klaus Krippendorff. 
 - 3rd ed. 
 - Los Angeles ;  London :  SAGE,  2013. 
 - xiv, 441 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references (p.391-414) and index. 
<br/><br/><label>ISBN: </label>9781412983150  RM279.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Content analysis (Communication).