@misc{indiciaec5ca4c5feed0,
  title = {[Problem-oriented education, problem-based learning and activating teaching methods].},
  author = {T Nikkarinen and K Hoppu},
  year = {1994},
  url = {https://pubmed.ncbi.nlm.nih.gov/7497983/},
  note = {Source identifier: 7497983}
}