E3S Web of Conferences

The City as a Socio-economic and Natural System

Stela Todorova, Kaloyan Haralampiev and Aneliya Parzhanova

E3S Web Conf., 259 (2021) 02003

Published online: 12 May 2021

DOI: 10.1051/e3sconf/202125902003

Stela Todorova

Kaloyan Haralampiev

Aneliya Parzhanova

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