@misc{indiciae3da0cc6fb524,
  title = {Advanced technologies in problem-based teaching: author systems.},
  author = {M Ferro Luzzi and P Campioni and V Valentini and A Meduri},
  url = {https://pubmed.ncbi.nlm.nih.gov/1788419/},
  note = {Source identifier: 1788419}
}