@misc{indiciae3628e7d43dc6,
  title = {A model for designing intelligent tutoring systems.},
  author = {D G Fowler},
  year = {1991},
  doi = {10.1007/bf00993880},
  url = {https://pubmed.ncbi.nlm.nih.gov/1748849/},
  note = {Source identifier: 1748849}
}