DOPIERAŁA, Łukasz. Efficiency of pension products offered by life insurance companies. The case of individual pension accounts. Journal of Finance and Financial Law, [S. l.], v. 2, n. 14, p. 23–39, 2017. DOI: 10.18778/2391-6478.2.14.03. Disponível em: https://czasopisma.uni.lodz.pl/fipf/article/view/2146. Acesso em: 7 dec. 2025.