MESJASZ-LECH, A. APPLICATION OF DEA METHOD IN ANALYSE OF THE EFFECTIVENESS OF AIR POLLUTION PREVENTION ACTIVITIES - A REGIONAL LEVEL STUDY. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 6, n. 308, 2015. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/285. Acesso em: 5 may. 2024.