@article{KnoopsErbilErtuerk2012,
  author    = {Femke Knoops and Fethiye Erbil and Mustafa Ert{\"u}rk},
  title     = {Teaching patterns and trends},
  journal   = {Potsdamer geographische Praxis},
  number    = {1},
  pages     = {75 -- 79},
  year      = {2012},
}