@misc{indiciaea0553b83e34c,
  title = {Piagetian principles: simple and effective application.},
  author = {K C Williams},
  year = {1996},
  doi = {10.1046/j.1365-2788.1996.711711.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8731468/},
  note = {Source identifier: 8731468}
}