Wagenaar, Theodore C. <br/><br/>
Practicing social research / 
Theodore C. Wagenaar. 
 - 7th.ed. 
 - Belmont :  Wadsworth,  c1995. 
 - 321 p. 
<br/><br/><label>ISBN: </label>0534187463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.
<br/><br/><label>LC Class. No.: </label>H 62  / .W34