European Centre for the Development of Vocational Training., Agora, & Planas, J. (1998). Agora I: Raising the level of diplomas and their distribution on the labour market: the lessons of the past and prospects for the future. Thessaloniki, 30 June 1997. Luxembourg: Office for Official Publicationsof the European Communities.

European Centre for the Development of Vocational Training., Agora, and Jordi Planas. Agora I: Raising the Level of Diplomas and Their Distribution On the Labour Market: The Lessons of the Past and Prospects for the Future. Thessaloniki, 30 June 1997. Luxembourg: Office for Official Publicationsof the European Communities, 1998.

European Centre for the Development of Vocational Training., Agora, and Jordi Planas. Agora I: Raising the Level of Diplomas and Their Distribution On the Labour Market: The Lessons of the Past and Prospects for the Future. Thessaloniki, 30 June 1997. Luxembourg: Office for Official Publicationsof the European Communities, 1998.