@misc{indiciae46bae71bb0b3,
  title = {Effectiveness and efficiency.},
  author = {J K Harcourt},
  year = {1992},
  doi = {10.1111/j.1834-7819.1992.tb04749.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1444951/},
  note = {Source identifier: 1444951}
}