@article{Epp03-1,
  title = {The Role of Logic in Teaching Proof},
  author = {Susanna S. Epp},
  year = {2003},
  url = {http://www.jstor.org/stable/3647960},
  researchr = {https://researchr.org/publication/Epp03-1},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {110},
  number = {10},
  pages = {886-899},
}