@misc{indiciaecdb4020d4156,
  title = {Predicting performance in primary school subjects.},
  author = {Ragnheidur Karlsdottir and Thorarinn Stefansson},
  year = {2003},
  doi = {10.2466/pms.2003.97.3f.1058},
  url = {https://pubmed.ncbi.nlm.nih.gov/15002847/},
  note = {Source identifier: 15002847}
}