Economic aspects of special education  : Czechoslovakia, New Zealand, United States of America 
/ publ. by the United Nations Educational, Scientific and Cultural Organization 
. - Paris  : UNESCO, c1978
. - 152 p.  : couv. ill.  ; 24 cm. 
<br/><br/><label>ISBN: </label>9231015141 
<br/><br/><label>Source: </label> Fonds PSE 
<br/><br/><label>Universal Decimal Class. No.: </label>376.3