Riffe , Daniel. <br/><br/>
Analyzing media messages  : using quantitative content analysis in research 
Daniel Riffe, Stephen Lacy, Brendan R. and Frederick Fico. 
 - 4th ed. 
 - New York:  Routledge,   2019. 
 - iv, 224p. 
<br/><br/><label>ISBN: </label>9781138613980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Content analysis(communication)<br/>Mass media -Research-Methodology.<br/>Mass media-Statistical methods.
<br/><br/><label>Dewey Class. No.: </label>302.23  / ANA