{. Stern, {. Descy, und {. Tessaring (Hrsg.) Report on vocational training research in Europe Off. for Off. Publ. of the Europ. Communities, Luxembourg, (2004)
{. Coles, {. Descy, und {. Tessaring (Hrsg.) Report on vocational training research in Europe Off. for Off. Publ. of the Europ. Communities, Luxembourg, (2004)