Morgado da Costa, Luis & Bond, Francis. 2022. Grammatical error detection using HPSG grammars: Diagnosing common Mandarin Chinese grammatical errors. Proceedings of the 29th International Conference on Head-Driven Phrase Structure Grammar 157–176. (doi:10.21248/hpsg.2022.9) (https://proceedings.hpsg.xyz/article/view/906) (Accessed November 22, 2024.)