Presburger Ulniković, Vladanka, Lidija Stamenković, Anđelka Radosavljević, and Ana Ćirišan. “Premature Deaths Due to Exposure to PM2.5 in Belgrade before and at the Beginning of the COVID-19 Pandemic”. Global Sustainability Challenges 2, no. 1 (December 12, 2024): 19–26. Accessed December 22, 2024. https://gsc.unionnikolatesla.edu.rs/index.php/gsc/article/view/4.