5 1 10 Gabriele Kaiser Primary Author Helen Forgasz Additional Author Mellony Graven Additional Author Alain Kuzniak Additional Author Elaine Simmt Additional Author Binyan Xu Additional Author mixed material 9783319721705 Switzerland Springer Cham 2018 Invited Lectures from the 13th International Congress on Mathematical Education cover_invited_lectures_from_the_13th_international_congress_on_mathematical_education.jpg Gabriele Kaiser Primary Author Norma Presmeg Additional Author mixed material 9783030156367 Switzerland Springer Cham 2019 Compendium for Early Career Researchers in Mathematics Education cover_compendium_for_early_career_researchers_in_mathematics_education.jpg Gabriele Kaiser Primary Author mixed material 9783319625973 Switzerland Springer 2017 Proceedings of the 13th International Congress on Mathematical Education cover_proceedings-of-the-13th-international-congress-on-mathematical-educati-20230711165029.jpg Gabriele Kaiser Primary Author Helen Forgasz Additional Author Mellony Graven Additional Author Alain Kuzniak Additional Author Elaine Simmt Additional Author Binyan Xu Additional Author mixed material 9783319721705 Switzerland Springer 2018 Invited Lectures from the 13th International Congress on Mathematical Education cover_invited-lectures-from-the-13th-international-congress-on-mathematical-20230711161422.jpg Gabriele Kaiser, Norma Presmeg Primary Author mixed material 9783030156367 Switzerland Springer 2019 Compendium for Early Career Researchers in Mathematics Education cover_compendium-for-early-career-researchers-in-mathematics-education-20230711152212.jpg