Tobin, K. & Tippins, D (1993) Constructivism as a Referent for Teaching and Learning. In: K. Tobin (Ed) The Practice of Constructivism in Science Education, pp 3-21, Lawrence-Erlbaum, Hillsdale, NJ.
Zuletzt geändert: Samstag, 2. Juni 2012, 16:08