Polit, Denise F. <br/><br/>
Nursing research :  principles and methods / 
Denise F. Polit, Cheryl Tatano Beck 
 - 7th ed. 
 - Philadelphia :  Lippincott Williams and Wilkins,  2004 
 - xvii, 758 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0781737338 (hc.)  RM120.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing Research--methods
<br/><br/><label>National Library of Medicine Call No.: </label>WY20.5