DUFFY,PATRICIA  <br/><br/>
FOCUS ON INNOVATORDS AND INNOVATIONS / 
PATRICIA DUFFY. 
 - NEW YORK ;  REGENTS PRENTICE HALL ;  1993. 
 - 144 P. ;  9.5X7.1IN 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>121  / PAT