Rubin, Rebecca B. et al. <br/><br/>
Communication research: strategies and sources 

 - 7th ed. 
 - Boston  Wadsworth Cengage Learning  2021 
 - 315 p 
<br/><br/><label>ISBN: </label>9780495793441 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--Research--Methodology.
<br/><br/><label>LC Class. No.: </label>P 91.3 .R83/