Polit, Denise. <br/><br/>
Nursing Research :  principles and methods / 
Denise F. Polit, Bernadette P. Hungler. 
 - 6th edition . 
 - Philadelphia :  Lippincott ,  c1999. 
 - xvii, 751 p. :  black and white illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9715841457 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Nursing-- Research-- Methodology.
<br/><br/><label>Dewey Class. No.: </label>CIR  610.73072 P769 2002