Raja, A., and Elsi Titasari Br Bangun. “Perancangan Sistem Informasi Tiket Booking Online Travel Umrah Studi Kasus: PT.Sukkari Halal Tour: PAPER Perancangan Sistem Informasi Ticket Bookin Online Travel Umrah Studi Kasus PT.Sukkari Halal Tour”. Jurnal CoSciTech (Computer Science and Information Technology), vol. 6, no. 2, Sept. 2025, pp. 259-68, doi:10.37859/coscitech.v6i2.10006.