TY - BOOK ED - Kuzle, Ana ED - Rott, Benjamin ED - Gebel, Inga T1 - Implementation research on problem solving in school settings BT - Proceedings of the 2018 Joint Conference of ProMath and the GDM Working Group on Problem Solving T3 - Ars inveniendi et dejudicandi ; 13 Y1 - 2019 SN - 978-3-95987-116-7 SN - 978-3-95987-115-0 PB - WTM-Verlag CY - Münster ER -