Cai, J., Morris, A., Hohensee, C., Hwang, S., Robison, V., Cirillo, M., Kramer, S. L., Hiebert, J., & Bakker, A. (2020). Addressing the problem of always starting over: Identifying, valuing, and sharing professional knowledge for teaching. Journal for Research in Mathematics Education, 51(2).
Authors discuss the possibilities of retaining and sharing professional knowledge as a way of addressing the problem of always starting over.