@article{KalinowskiEgertGronostajetal.2019,
  author    = {Eva Kalinowski and Franziska Egert and Anna Gronostaj and Miriam Vock},
  title     = {Professional development on fostering students' academic language proficiency across the curriculum},
  journal   = {Teaching and teacher education},
  series    = {a meta-analysis of its impact on teachers' cognition and teaching practices},
  volume    = {88},
  doi       = {10.1016/j.tate.2019.102971},
  year      = {2019},
}