TY JOUR TI The problem of English-language lectures material assimilation by students of technical areas of training: Difficulties typology and visual modeling method KW perception KW understanding KW lecture KW academic lecture KW English-language lecture KW technical area of training KW listening KW difficulties typology KW visual modeling KW mental map KW radiant thinking JO Economic and Social Research AU Smirnova, S.A. PY 2026 IS 13 PB National Research University of Electronic Technology