Jensen, Ole <br/><br/>
Design and use of mobile units for technical and vocational education / 
Ole Jensen. 
 - Paris :  UNESCO,  1986. 
 - 84 p. ;  il., fot. 
 - Studies in technical and vocational education ;  19. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>371.6: 377(489) =20 JEN No.19.