SWS International Scientific Conference on Social Sciences 2019

Social science 2019. SWS international scientific conference. SWS International Scientific Conference on Social Sciences 2019 : conference proceedings, Albena, 26 August - 1 September 2019. Vol. 6, no. 4. Education and educational research. 1. vyd. Sofia : STEF92 Technology, 2019. Dostupné na: https://doi.org/10.5593/SWS.ISCSS.2019.4. ISBN 978-619-7408-94-2. ISSN 2682-9959.