Hairi, A., T. . Rahman, A. . Atmanegara, R. A. . Perdana, and B. . Yunanda. “The Interaction Between State Law and Customary Law in the Management of Ulayat Land in West Sumatra”. TOFEDU: The Future of Education Journal, vol. 4, no. 6, July 2025, pp. 2484-91, doi:10.61445/tofedu.v4i6.711.