Polit, D.F. <br/><br/>
Nursing research: generating and assessing evidence for nursing practice. 9th td. 

 - 9 
 -  Wloters Kluwer; Lippincott Williams and Wilkins  2011 
<br/><br/><label>ISBN: </label>9781451109146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing Research