@misc{indiciae536612198f02,
  title = {Letter: Computer-assisted learning.},
  author = {M A Simpson},
  year = {1976},
  doi = {10.1016/s0140-6736(76)90509-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/56673/},
  note = {Source identifier: 56673}
}