To what extent C2 proficiency is an attainable objective for second language learners of the English language?

Bibliographic reference Nazarenko, Aleksandra. To what extent C2 proficiency is an attainable objective for second language learners of the English language?. Faculté de philosophie, arts et lettres, Université catholique de Louvain, 2019. Prom. : Paquot, Magali.
Permanent URL http://hdl.handle.net/2078.1/thesis:18884