@misc{indiciae7cb199999196,
  title = {A five-state regional educational experiment.},
  author = {L Hannigan},
  year = {1980},
  doi = {10.1177/216507998002801109},
  url = {https://pubmed.ncbi.nlm.nih.gov/6904930/},
  note = {Source identifier: 6904930}
}