@misc{indiciaeb31ca0495927,
  title = {Conceptual system, students, practitioners.},
  author = {J Watson},
  year = {1981},
  doi = {10.1177/019394598100300204},
  url = {https://pubmed.ncbi.nlm.nih.gov/6913318/},
  note = {Source identifier: 6913318}
}