Heger, E.A. <br/><br/>
Studies in Technical and Vocational Education : Development in commercial education . Vol.  1 

 - Paris :  Unesco,  1984. 
 - Vol. 1, 76p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational Education<br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.113  / UNE