Liu, Cheng, <br/><br/>
Qualitative research methods in public relations and marketing communications 
Christine Daymon, Immy Holloway 
 - 4th ed. 
 - Upper Saddle River, NJ  Prentice Hall  c2000. 
 - ix, 403 p.  ill.  27 cm. +  1 computer disk (3 1/2 in.) 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0130200697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil mechanics.<br/>Soils--Testing.