PATRAKEYEV, Igor; ZIBOROV, Victor. Using fuzzy sets in the estimation system of the efficiency of urban environment metabolism (on the example of cities of Ukraine). Geodesy and Cartography, [S. l.], v. 45, n. 3, p. 102–109, 2019. DOI: 10.3846/gac.2019.7699. Disponível em: https://journals.vilniustech.lt/index.php/GAC/article/view/7699. Acesso em: 9 may. 2025.