KRUPA, Thomas; FARBARZEVICS, Kirils; SALAME, Bassam. Investment efficiency of life insurance companies in Germany: application of a two-stage SBM. Współczesna Gospodarka, [S. l.], v. 10, n. 1 (32), p. 79–91, 2019. DOI: 10.26881/wg.2019.1.08. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/wg/article/view/2965. Acesso em: 20 grudz. 2024.