Izzatillah, Millati, Fauzan Natsir, Ega Marsiani, Redo Sihombing, and Aprilia Sulistyohati. 2026. “Hajjmate: Aplikasi Panduan Manasik Haji Mobile Dengan Human-Centered Design”. Bulletin of Information System Research 4 (1), 1-8. https://doi.org/10.62866/bios.v4i1.276.