TY - CPAPER AU - Marta Gluchmanová TI - EFFECTIVE DISTANCE LEARNING AT UNIVERSITIES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Ecology, Economics, Education and Legislation PY - 2020 SP - 717 EP - 724 DO - 10.5593/sgem2020/5.2/s22.088 PB - STEF92 Technology ER -