CELIK, D.; AYDEMIR, E. Investigation of Air Quality Levels on 19-Day National Lockdown Period for Covid-19 of Isparta City in 2020 using Grey Incidence Analysis. International Conference on Modern and Advanced Research, [S. l.], p. 330–333, 2023. DOI: 10.59287/icmar.1305. Disponível em: https://as-proceeding.com/index.php/icmar/article/view/1305. Acesso em: 22 jul. 2024.