Mitchell, Mark L. <br/><br/>
Research design explained/  (print resources) 
by Mark L. Mitchell and Janina M. Jolley.- 
 - 7th ed.- 
 - Australia:  Wadsworth cengage laerning,  c2010. 
 - xxiii, 645p.:  ill.;  24cm 
<br/><br/>includes index and references  
<br/><br/><label>ISBN: </label>978804995803997 
<br/><br/><label>Source: </label>B-35951 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research design
<br/><br/><label>LC Class. No.: </label>H62.A5  / .M57.2010