@article{AltuntaşAkcayKoolsetal.2012,
  author    = {Kezban Altunta{\c{s}} and Pinar Ak{\c{c}}ay and Suzanne Kools and Richard Schnabel},
  title     = {Assignments, curriculum framework and background information as the base of developing lessons},
  journal   = {Potsdamer geographische Praxis},
  number    = {1},
  pages     = {93 -- 98},
  year      = {2012},
}