VAVROVÁ, Katarína - BIKÁR, Miloš. Environment Charge and Covid. In Current Problems of the Corporate Sector 2021. International Scientific Conference. Current Problems of the Corporate Sector 2021 : 18th International Scientific Conference. - Paris : Édition Diffusion Presse Sciences, 2021. ISSN 2261-2424, pp. 1-8 online. VEGA 1/0007/19.