Halperin, Sandra <br/><br/>
Political Research:  methods and practical skills/ 
Sandra Halperin and Heath Oliver 
 - 3rd ed. 
 - New York, NY:  Oxford University Press,  2020. 
 - xix, 506 p.:  ill.; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780198820628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political research
<br/><br/><label>LC Class. No.: </label>JA86 .H357 2020