Warren, Hugh. <br/><br/>
Vocational and technical education; a comparative study of present practice and future trends in ten countries / 
Hugh Warren. 
 - Paris :  UNESCO,  1967. 
 - 222 p. ;  il., fot. 
 - Monographs on education ;  6. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>377 (100) =20 1967WAR No.6.