Salam, Safrin, et al. “The Erosion of Customary Authority and The Riset of Local Ulama In The Normalization of Unregistered Marriages In Indonesian Muslim Communities”. Mawaddah: Jurnal Hukum Keluarga Islam, vol. 4, no. 1, May 2026, pp. 351-75, https://doi.org/10.52496/mjhki.v4i1.72.