@misc{indiciae1a33127f2fa7,
  title = {The problem solving approach and therapeutic effectiveness.},
  author = {B J Betz},
  year = {1966},
  doi = {10.1176/appi.psychotherapy.1966.20.1.45},
  url = {https://pubmed.ncbi.nlm.nih.gov/5906083/},
  note = {Source identifier: 5906083}
}