Holsti, Ole R <br/><br/>
Content analysis for the social sciences and humanities 

 - Massachusetts  Addison - Wesley publishing company  1969 
 - xvi, 235 p.; 22cm. 
<br/><br/><label>ISBN: </label>201029405 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Content analysis - communication - social sciences<br/>Content analysis research designs<br/>Subject analysis