K.C., K. Upper House Elections in Japan: An Observation. Journal of Political Science, [S. l.], v. 7, n. 1, p. 15–19, 2004. DOI: 10.3126/jps.v7i1.1694. Disponível em: https://www.nepjol.info/index.php/JPS/article/view/1694. Acesso em: 27 apr. 2024.