ZORZOS, A.; ALEXIADIS, A.; ZACHAROPOULOS, S. Air Pollution: Sources and Global Statistics. Open Schools Journal for Open Science, [S. l.], v. 2, n. 2, p. 46–59, 2019. DOI: 10.12681/osj.19576. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/openschoolsjournal/article/view/19576. Acesso em: 2 may. 2024.