Flor, Michael, Yoko Futagi, Melissa Lopez, and Matthew Mulholland. “Patterns of Misspellings in L2 and L1 English: A View from the ETS Spelling Corpus”. Bergen Language and Linguistics Studies 6 (May 30, 2015). Accessed April 20, 2024. https://bells.uib.no/index.php/bells/article/view/811.