@misc{indiciaec6811ba7ddfe,
  title = {Teaching multiplication facts to students with learning problems.},
  author = {J C Mattingly and D A Bott},
  year = {1990},
  doi = {10.1177/001440299005600507},
  url = {https://pubmed.ncbi.nlm.nih.gov/2303085/},
  note = {Source identifier: 2303085}
}