@misc{indiciae32aacce24401,
  title = {[Programmed instruction].},
  author = {M G Barbato},
  year = {1968},
  doi = {10.1590/0080-6234196800200100028},
  url = {https://pubmed.ncbi.nlm.nih.gov/5197710/},
  note = {Source identifier: 5197710}
}