Harahap , M.K. et al. 2026. Kontribusi Pemikiran H. Ismail Banda Dalam Konteks Islam Wasathiyah di Sumatera Utara. Indonesian Journal of Innovation Multidisipliner Research. 4, 4 (Oct. 2026), 1147–1156. DOI:https://doi.org/10.69693/ijim.v4i4.3017.