@misc{indiciae25d1a855320f,
  title = {A formative and summative evaluation model for special educational programs.},
  author = {B U Philips and J M Mahan and R R Perry},
  year = {1976},
  doi = {10.1097/00001888-197610000-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/972374/},
  note = {Source identifier: 972374}
}