WAGNER, Oliver; WIEGAND, Julia. Prepaid meter for electricity: Experiences from the user perspective of households in Germany. Momentum Quarterly, Innsbruck, Österreich, v. 7, n. 2, p. 86–97, 2018. DOI: 10.15203/momentumquarterly.vol7.no2.p86-97. Disponível em: https://momentum-quarterly-journal.uibk.ac.at/momentum/article/view/2648. Acesso em: 17 feb. 2026.