E3S Web of Conferences

President’s speech portrait

Lyudmila Grichenko and Lyudmila Gushchina

E3S Web Conf., 273 (2021) 11039

Published online: 22 June 2021

DOI: 10.1051/e3sconf/202127311039

Lyudmila Grichenko

Lyudmila Gushchina

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