Person-in-environment system :  the PIE classification system for social functioning problems / 
editors, James M. Karls, Karin E. Wandrei. 
 - Washington, DC :  NASW Press, National Association of Social Workers,  c1994. 
 - xxiv, 223 p. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0871012405 (pbk. : alk. paper) :  $32.95 
<br/><br/><label>LCCN: </label>94023170  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Person-in-environment system.
<br/><br/><label>LC Class. No.: </label>HV43.5  / KAR 1994 
<br/><br/><label>Dewey Class. No.: </label>361.1/014