Polit, Denise F. <br/><br/>
Essentials of nursing research : methods, appraisal, and utilization 

 - 4th ed. 
 - Philadelphia :  Lippincott,  1997. 
 - xiv, 530p. 
<br/><br/>includes bibliography references and index 
<br/><br/><label>ISBN: </label>9780397553686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing--Research<br/>Nursing--Research--Evaluation
<br/><br/><label>LC Class. No.: </label>WY20.5