@misc{indiciaefb56a604562a,
  title = {Anxiety, drive theory, and computer-assisted learning.},
  author = {C D Spielberger and H F O'Neil and D N Hansen},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4651695/},
  note = {Source identifier: 4651695}
}