@misc{indiciae869a7e7d072d,
  title = {Structural modifications of higher level computer languages for elementary education.},
  author = {H Levinson and M Liotta},
  year = {1989},
  doi = {10.1111/j.1749-6632.1989.tb16411.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2699408/},
  note = {Source identifier: 2699408}
}