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. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0781737338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing --Research --Methodology.
<br/><br/><label>LC Class. No.: </label>RT81.5   / Pol 2004