@misc{indiciaeef37a5be0f22,
  title = {Teaching and the periphery.},
  author = {P Sperryn},
  year = {1980},
  doi = {10.1016/s0140-6736(80)92922-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6104258/},
  note = {Source identifier: 6104258}
}