ZIELIŃSKA-SITKIEWICZ, M. The Flu : an Analysis of Economic Costs and Morbidity Rates in Poland in the Period 2013-2019 Using Adaptive Prediction Methods. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 19, n. 4, p. 139–146, 2020. DOI: 10.22630/ASPE.2020.19.4.50. Disponível em: https://aspe.sggw.edu.pl/article/view/86. Acesso em: 22 apr. 2024.