Yoan, S., and Y. Yakub. “Perancangan Sistem Informasi Pendaftaran Peserta Ibadah Onsite Di GKI Serpong Dimasa Pandemi Berbasis Web”. ALGOR, vol. 4, no. 1, Sept. 2022, pp. 87-95, doi:10.31253/algor.v4i1.1508.