Sinaga, M. A. P. ., and A. A. . Ritonga. “Implementation Of The Friday Sermon Program In Strengthening Students’ Creed And Moral Values”. Edusoshum : Journal of Islamic Education and Social Humanities, vol. 6, no. 3, July 2026, pp. 1900-8, doi:10.52366/edusoshum.v6i3.503.