. Ballier-n, T. Gaillat, . Simpkin-a, . Stearns-b, and . Bouyé-m.-&-zarrouk-m, A supervised learning model for the automatic assessment of language levels based on learner errors, European Conference on Technology Enhanced Learning, pp.308-320, 2019.

. Bansal-s, Textstat Python package, 2018.

. Brezina-v.-&-pallotti-g, Morphological complexity in written l2 texts, vol.35, pp.99-119, 2019.

H. Dechert, Strategies in interlanguage communication, p.644977107, 1983.

E. Council, Common European Framework of Reference for Languages : Learning, teaching, assessment, 2001.

. Gaillat-t, . Simpkin-a, N. Ballier, . Stearns-b, . Sousa-a et al., Predicting CEFR levels in learners of English : the use of microsystem criterial features in a machine learning approach, Journal With Anonymous Submission

J. Geertzen, . T. Alexopoulou-t.-&-korhonen-a.-;-r, K. I. Miller, C. M. Martin, A. Eddington et al., Automatic Linguistic Annotation of Large Scale L2 Databases : The EF-Cambridge Open Language Database (EFCamDat), Proceeedings of the 31st Second Language Research Forum, 2013.

J. A. Hawkins and . Filipovi?-l, Criterial Features in L2 English : Specifying the Reference Levels of the Common European Framework, 2012.

. Housen-a, . Kuiken-f, . Vedder-i, and . Éds, Dimensions of L2 performance and proficiency : complexity, accuracy and fluency in SLA, de Language Learning & Language Teaching (LL&LT). Amsterdam, Pays-Bas, Etats-Unis d'Amérique, vol.32, 2012.

. Kelly-r, PyEnchant a spellchecking library for Python, 2016.

K. K. Crossley-s and . Berger-c, The tool for the automatic analysis of lexical sophistication (TAALES) : version 2.0, Behavior Research Methods, vol.50, issue.3, pp.1030-1046, 2018.

L. X. , Computational Methods for Corpus Annotation and Analysis, 2014.

. Merkel-d, Docker : lightweight linux containers for consistent development and deployment, Linux journal, issue.239, 2014.

. Sousa-a, N. Ballier, T. Gaillat, . Stearns-b, M. Zarrouk et al.,

, From Linguistic Research Projects to Language Technology Platforms : A Case Study in learner data, Proceedings of the 1st International Workshop on Language Technology Platforms IWLTP 2020

. Zhang-a, Speech recognition (version 3.8) python library, 2017.