@article{BarbosaValeJablonskietal.2022,
  author    = {Ana Barbosa and Isabel Vale and Simone Jablonski and Matthias Ludwig},
  title     = {Walking through algebraic thinking with theme-based (mobile) math trails},
  journal   = {Education Sciences},
  volume    = {12},
  number    = {5, art. 346},
  pages     = {1 -- 26},
  doi       = {10.3390/educsci12050346},
  year      = {2022},
}