@book{OPUS4-43561,
  title     = {Implementation research on problem solving in school settings},
  series    = {Proceedings of the 2018 Joint Conference of ProMath and the GDM Working Group on Problem Solving},
  editor    = {Ana Kuzle and Benjamin Rott and Inga Gebel},
  isbn      = {978-3-95987-116-7},
  year      = {2019},
}