RAGA SITANDANG, Galang; FIRDAUS, Muhammad; AGUSTIYARA. Research Trends of Opposition Political Parties in the World. International Journal of Politics and Public Policy, Malang, Indonesia, v. 1, n. 1, p. 32–48, 2024. DOI: 10.70214/xj6fmk36. Disponível em: https://ejournal.suryabuanaconsulting.com/index.php/pppj/article/view/44. Acesso em: 17 oct. 2025.