Izzatillah, M., F. Natsir, E. Marsiani, R. Sihombing, and A. Sulistyohati. “Hajjmate: Aplikasi Panduan Manasik Haji Mobile Dengan Human-Centered Design”. Bulletin of Information System Research, Vol. 4, no. 1, June 2026, pp. 1-8, doi:10.62866/bios.v4i1.276.