TY - DATA AU - Kaiser, Gabriele||Forgasz, Helen||Graven, Mellony||Kuzniak, Alain||Simmt, Elaine||Xu, Binyan TI - Invited Lectures from the 13th International Congress on Mathematical Education SN - 9783319721705 PY - 2018/// CY - Springer Nature KW - Mathematics Education UR - https://directory.doabooks.org/handle/20.500.12854/26133 ER -