Lang, Gerhard <br/><br/>
A practical guide to research methods 
Gerhard Lang, George D. Heiss. 
 - 3rd ed. 
 - Lanham, MD  University Press of America  c1984. 
 - iv, 201 p.  ill., forms.  29 cm. 
<br/><br/> Includes bibliographical references (p. 193-196) an index. 
<br/><br/><label>ISBN: </label>0819137251 (alk. paper)  27.50 081913726X (pbk. : alk. paper)  16.75 
<br/><br/><label>LCCN: </label>83023343 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.
<br/><br/><label>LC Class. No.: </label>Q180.55.M4  / L36 1984 
<br/><br/><label>Dewey Class. No.: </label>001.4