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O'Keefe, Margaret (Teacher) (Nombre personal)
Dubicka, Iwonna. Advanced market leader. Business English course book with MyEnglishLab, 2016: title page (Margaret O'Keefe) page 4 of introduction (based in Barcelona; a freelance teacher-trainer, course designer and in-company English language teacher; background is in research and planning; has taught at the Universitat Pompeu Fabra)