@misc{indiciae85499337b566,
  title = {Learning economics.},
  author = {D J Tuffnell and P O'Donovan},
  year = {1989},
  doi = {10.1016/s0140-6736(89)90690-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2570265/},
  note = {Source identifier: 2570265}
}