Preface: M3E2 2021 – Economic aftershock of COVID-19Serhiy Semerikov, Vladimir Soloviev, Liubov Kibalnyk, Oleksandr Chernyak and Hanna DanylchukSHS Web Conf., 107 (2021) 00001DOI: https://doi.org/10.1051/shsconf/202110700001
