DePoy, Elizabeth <br/><br/>
Introduction to research understanding and applying multiple strategies / 
Elizabth DePoy, Laura N. Gitlin. 
 - Sixth edition. 
 - St. Louis, Missouri :  Elsevier,  2020. 
 - xi, 402 pages :   illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780323616470 Pbk. Bp. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health-Research-Methodology. <br/>Medical case--Research methodology.<br/>Human services--Research methodology.<br/>Experimental design.
<br/><br/><label>LC Class. No.: </label>RA 440.85 D47 2020 CIRC