Library of Congress classification schedules :  a cumulation of additions and changes, 1979-1980: class L: education 

 - 3. ed 
 - 34 p. 
<br/><br/><label>ISBN: </label>0-8103-1566-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classificação<br/>Educação
<br/><br/><label>Universal Decimal Class. No.: </label>025.4  / L697l