Mhd Fikri Muzaki, et al. “Sistem Pewaris Menurut Wasiat Dalam Pandangan Hukum Perdata”. Jurnal Sahabat ISNU SU, vol. 2, no. 1, May 2025, pp. 47-53, https://journal.isnu-sumut.org/index.php/jsisnu/article/view/735.