@misc{indiciae8c35419bf599,
  title = {Changing patterns: programmed instruction.},
  author = {W A Borrie},
  year = {1968},
  doi = {10.1016/s0001-2092(08)70304-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5186969/},
  note = {Source identifier: 5186969}
}