Polit, Denise F. <br/><br/>
Nursing research : principles and methods :  study guide / 
by Denise F. Polit, Bernadette P. Hungler. 
 - 4th ed. 
 - Philadelphia, N.Y. :  J.B. Lippincott,  1991. 
 - viii, 241 p. 
<br/><br/> Contents : The scientific research process--Preliminary research steps. 
<br/><br/><label>ISBN: </label>0397548214 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing research.