The Homepage of Ernst von Glasersfeld

114Glasersfeld E. von (1989) Constructivism in Education [pdf]. In: Husen T. & Postlethwaite T. N. (eds.) International encyclopedia of education. Supplement Volume 1. Pergamon Press, Oxford: 162–163. Available at http://www.vonglasersfeld.com/114
114.1Italian translation: Il costruttivismo.