Harahap, K. A. (2023) “Hukm Washiyyah al-Muslim wa Shihhatuha li Ghair al-Muslim: Dirasah Muqaranah Bayna al-Fiqh al-Islami wa Qanun al-Washiyyah fi Majmu’ al-Ahkam al-Islamiyyah al-Indunisiyyah”, El-Aqwal : Journal of Sharia and Comparative Law, 2(1), pp. 49–72. doi: 10.24090/el-aqwal.v2i1.7733.