@misc{indiciaebb06b666a6a3,
  title = {Problem-based learning packages: considerations for neophyte package writers.},
  author = {C Hengstberger-Sims and M A McMillan},
  year = {1993},
  doi = {10.1016/0260-6917(93)90013-r},
  url = {https://pubmed.ncbi.nlm.nih.gov/8455545/},
  note = {Source identifier: 8455545}
}