BORUCKA, Anna; PARCZEWSKI, Rafał; KOZŁOWSKI, Edward; ŚWIDERSKI, Andrzej. Evaluation of air traffic in the context of the Covid-19 pandemic. Archives of Transport, Warsaw, Poland, v. 64, n. 4, p. 45–57, 2022. DOI: 10.5604/01.3001.0016.1048. Disponível em: https://archivesoftransport.com/index.php/aot/article/view/302.. Acesso em: 22 jul. 2024.