@misc{indiciaeee96fe49ff69,
  title = {A flexible test grading and item analysis system.},
  author = {G L Olde and C P Cole and J W Wittrock},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4530797/},
  note = {Source identifier: 4530797}
}