KOTLOVSKIY, A.; MYKYTENKO, N.; ONUFRIV, A.; SALAMAKHA, M. LANGUAGE PORTFOLIO FOR BUILDING LINGUISTIC COMPETENCE IN ESP SPEAKING IN STUDENTS’ INDEPENDENT WORK. Advanced Education, [S. l.], v. 7, n. 15, p. 20–24, 2020. DOI: 10.20535/2410-8286.200750. Disponível em: http://ae.fl.kpi.ua/article/view/200750. Acesso em: 17 sep. 2021.