@inproceedings{predictingstudentsdifficultiesfromapiece,
  title = {Predicting Students’ Difficulties From a Piece of Code},
  author = {Marco Moresi and Marcos J. G
omez and and Luciana Benotti},
  year = {2021},
  booktitle = {IEEE TRANSACTIONS ON LEARNING TECHNOLOGIES 2021 6},
  url = {https://ieeexplore.ieee.org/document/9466389},
}