@misc{indiciae72a9fef58a6e,
  title = {Teacher-instruction and student-instruction compared.},
  author = {W L Harvey and R P Chappell and D J Ferguson},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5274512/},
  note = {Source identifier: 5274512}
}