@article{LevyBrunnerKelleretal.2019,
  author    = {Jessica Levy and Martin Brunner and Ulrich Keller and Antoine Fischbach},
  title     = {Methodological issues in value-added modeling: an international review from 26 countries},
  journal   = {Educational Assessment, Evaluation and Accountability},
  volume    = {31},
  number    = {3},
  pages     = {257 -- 287},
  doi       = {10.1007/s11092-019-09303-w},
  year      = {2019},
}