Andy, Safria, and Uqbatul Khoir Rambe. “Concept and Practice of Tarbiyatun Nafs in Formal and Informal Educational Institutions (A Comparative Study of UIN North Sumatra and Jabal Hindi Thariqah)”. At-Ta’dib, vol. 18, no. 2, July 2026, pp. 231-55, doi:10.21111/at-tadib.v18i2.99.