Duarte , Renata Lopes, Cláudio Paiva Silva, and Cézar Henrique Barra Rocha. “The Effects of Social Isolation and the COVID-19 Pandemic on Air Quality Around the World”. Electronic Journal "Fórum Ambiental da Alta Paulista" 17, no. 2 (October 31, 2021). Accessed February 24, 2026. https://publicacoes.amigosdanatureza.org.br/index.php/forum_ambiental/article/view/2975.