@misc{indiciae5500f9912718,
  title = {The teacher as a 'reinforcement machine' in the teaching-learning process.},
  author = {C Mutzebaugh and J Dunn},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/8596/},
  note = {Source identifier: 8596}
}