@misc{indiciae2793ca6fcd99,
  title = {Problem posing vs problem solving.},
  author = {S J Happs},
  year = {1991},
  doi = {10.1016/0260-6917(91)90151-y},
  url = {https://pubmed.ncbi.nlm.nih.gov/2020288/},
  note = {Source identifier: 2020288}
}