This is the online version of the PLEC search engine.
Pęzik, Piotr. “Towards the PELCRA Learner English Corpus.” In Corpus Data across Languages and Disciplines, edited by Piotr Pęzik, 28:33–42. Łódź Studies in Language. Peter Lang, 2012.
A help page is available here.
Pęzik, Piotr. “Towards the PELCRA Learner English Corpus.” In Corpus Data across Languages and Disciplines, edited by Piotr Pęzik, 28:33–42. Łódź Studies in Language. Peter Lang, 2012.
A help page is available here.