@misc{indiciaee2304247a349,
  title = {On competency-based models.},
  author = {M F Heiman},
  year = {1977},
  doi = {10.1176/ajp.134.4.460},
  url = {https://pubmed.ncbi.nlm.nih.gov/842747/},
  note = {Source identifier: 842747}
}