Kotlovskiy, A., Mykytenko, N., Onufriv, A. and Salamakha, M. 2020. LANGUAGE PORTFOLIO FOR BUILDING LINGUISTIC COMPETENCE IN ESP SPEAKING IN STUDENTS’ INDEPENDENT WORK. Advanced Education. 7, 15 (Jul. 2020), 20–24. DOI:https://doi.org/10.20535/2410-8286.200750.