Social research methods  puzzles and solutions 
Rebecca F. Guy, Charles E. Edgley, Ibtihaj Arafat, Donald E. Allen 
 - Inc., Boston  Allyn and Bacon  1987 
 - 470 p. ; 25 cm. 
<br/><br/> Includes indexes 
<br/><br/>p. 457-464 
<br/><br/><label>ISBN: </label>0205086772 
<br/><br/><label>LCCN: </label>85-33706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology