MARTORELLA, Peter Manson, Gary Cherryholmes, Cleo <br/><br/>
Discovering others 
/by Peter Martorella, Cleo Cherryholmes, Gary Manson 
 - New York  McGraw-Hill  1979 
 - 171 p. 
<br/><br/><label>ISBN: </label>70119112 
<br/><br/><label>Dewey Class. No.: </label>371.33  / MAR