Tools and resources used/designed for teacher collaboration and resulting from teacher collaboration

Citation:

Robutti, O., Trouche, L., Cusi, A., Psycharis, G., Kumar, R., & Pynes, D. (In Press). Tools and resources used/designed for teacher collaboration and resulting from teacher collaboration. In H. Borko & Potari, D. (Eds.), ICMI Study 25 – “Mathematics Teachers Working and Learning in Collaborative Groups".