@misc{indiciae6d2b8d7eb25f,
  title = {Replacement and nonreplacement strategies in children's problem solving.},
  author = {M C Wittrock},
  year = {1967},
  doi = {10.1037/h0024397},
  url = {https://pubmed.ncbi.nlm.nih.gov/6041397/},
  note = {Source identifier: 6041397}
}