@misc{indiciae7f6c9cc935ad,
  title = {Self-directed learning: implications for dental hygiene.},
  author = {J B Kirkhorn and J A Nieman and M E Shuntich and L M Gambrel},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/296919/},
  note = {Source identifier: 296919}
}