POLANSK A. Norman  <br/><br/>
Social work Research/  Methods for the helping professions: 
Norman A. Polansky  
 - London,  The Universty of Chiago Press,  c1960. 
 - ix,314p.;  ill.; 
<br/><br/> includes index  
<br/><br/><label>ISBN: </label>0226672190 
<br/><br/><label>Dewey Class. No.: </label>361.00 72 POL