Polansky, Norman A.,  1918- <br/><br/>
Social work research :  methods for the helping professions / 
edited by Norman A. Polansky 
 - Rev. ed. 
 - Chicago :  University of Chicago Press,  c1975 
 - ix, 314 p. ;  23 cm 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0226672190 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social service--Research
<br/><br/><label>Dewey Class. No.: </label>361.0072  / POS 1975