“Multi-party Systems and Parliamentary Thresholds: The Case of Indonesia’s Presidential System with Comparisons to Germany and Taiwan: Sistem Multipartai dan Ambang Batas Parlemen: Studi Kasus Sistem Presidensial Indonesia dengan Perbandingan terhadap Jerman dan Taiwan” (2025) Journal of Political Issues, 6(2), pp. 99–109. doi:10.33019/jpi.v6i2.291.