Vasylets, Olena, Roger Gilabert, and Rosa Maria Manchón. 2019. “Differential Contribution of Oral and Written Modes to Lexical, Syntactic and Propositional Complexity in L2 Performance in Instructed Contexts”. Instructed Second Language Acquisition 3 (2): 206-27. https://doi.org/10.1558/isla.38289.