TY - JOUR TI - Different ways to implement innovative teaching approaches at scale AU - Maass, K. AU - Cobb, P. AU - Krainer, K. AU - Potari, D. JO - Educational Studies in Mathematics PY - 2019 VL - 102 TODO - 3 SP - 303-318 PB - Springer-Verlag SN - 0013-1954, 1573-0816 TODO - 10.1007/s10649-019-09920-8 TODO - null TODO - null ER -