Goodbye formal education. Personalized System of Instruction revisited (nouvelle publication)

Derobertmasure, A., Artus, F. (2007). Goodbye formal education. Personalized System of Instruction revisited. In A. Lionarakis (ed.), Forms of Democracy in Education: Open Access and Distance Education, 4th International Conference in Open and Distance Learning, Vol. B. (23-25 November 2007, Athens, Greece). (pp. 40-45)