TY - CHAP T1 - CoChemEx: Supporting Conceptual Chemistry Learning via Computer-Mediated Collaboration Scripts AU - Tsovaltzi, D. AU - Rummel, N. AU - Pinkwart, N. AU - Scheuer, O. AU - Harrer, A. AU - Braun, I. AU - McLaren, B. M. TI - Proceedings of the 3rd European Conference on Technology Enhanced Learning (ECTEL) PY - 2008 PB - Springer Verlag IS - 5192 ER -