BENCOVÁ, T. Measurement of campaign efficiency in the 2020 elections using data envelopment analysis. Slovak Journal of Public Policy and Public Administration, [S. l.], v. 7, n. 1, 2020. Disponível em: https://sjpppa.fsvucm.sk/index.php/journal/article/view/97. Acesso em: 20 apr. 2024.