Khairuddin, et al. “Kriteria Kepala Negara Menurut Hukum Tata Negara Islam (Studi Kasus Putusan Mk No. 90 Puu-Xxi 2023)”. Bulletin of Community Engagement, vol. 4, no. 2, Aug. 2024, pp. 172-80, doi:10.51278/bce.v4i2.1335.