@misc{AIBD0614_14cab0e38372,
  author = {Peter H. Vartanian},
  title = {Letrus essay feedback lifts Brazilian students' exam essay scores},
  year = {2026},
  publisher = {Artificial Intelligence Benefits Database},
  url = {https://petervartanian.xyz/aibd/records/AIBD-0614.html},
  note = {AIBD-0614. Version 14cab0e38372e23d7df7caf70c82d3b86ac9f304808c5c079be18209edea7859. Edition 2026-10-29-93a3a967f7f6, archived at https://doi.org/10.5281/zenodo.23763116}
}