Riadi, B., M. W. . Afgani, L. . Marlina, and F. Febriyanti. “The Effectiveness of Problem-Based Instruction in Peer Teaching Activities for Islamic Cultural History (SKI) at MAN Insan Cendekia”. TOFEDU: The Future of Education Journal, vol. 4, no. 5, May 2025, pp. 1319-23, doi:10.61445/tofedu.v4i5.564.