@misc{indiciaefcb44981523e,
  title = {Token economy in occupational therapy.},
  author = {E Becker and R L Krebs},
  year = {1970},
  doi = {10.1176/ps.21.10.344},
  url = {https://pubmed.ncbi.nlm.nih.gov/5457607/},
  note = {Source identifier: 5457607}
}