BRZEZICKI, Łukasz . The Efficiency of Third Age Universities in Poland: a non-Parametric DEA Approach. Przedsiębiorczość - Edukacja, [S. l.], v. 16, n. 2, p. 141–151, 2020. DOI: 10.24917/20833296.162.11. Disponível em: https://p-e.uken.krakow.pl/article/view/7763. Acesso em: 21 lis. 2024.