@misc{indiciae641449411246,
  title = {Effect of various motivational techniques upon learning and performance tasks.},
  author = {G H ZIMNY},
  year = {1956},
  doi = {10.1037/h0044566},
  url = {https://pubmed.ncbi.nlm.nih.gov/13367348/},
  note = {Source identifier: 13367348}
}