@misc{indiciae4045375dd131,
  title = {Programmed learning: prologue to instruction.},
  author = {R J Seidel},
  year = {1967},
  doi = {10.2466/pr0.1967.20.1.307},
  url = {https://pubmed.ncbi.nlm.nih.gov/6037815/},
  note = {Source identifier: 6037815}
}