Nation, Jack R. <br/><br/>
Research methods / 
Jack R. Nation. 
 - New Jercey:  Prentice hall,  1997. 
 - xvii, 430 p. 
<br/><br/><label>ISBN: </label>0023861320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology Research	<br/>Psychology Research Methodology	<br/>Psychology  Experimental
<br/><br/><label>Dewey Class. No.: </label>001.42  / NAT