Johnson, Edwin S,  b.1924, <br/><br/>
Research methods in criminology and criminal justice / 
Edwin S. Johnson. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1981. 
 - 418 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0137743491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crime and criminals--Research.<br/>Criminal justice, Administration of--Research.<br/>Crime and criminals--Statistical methods.