J. . Purwanto, C. . Naury, and A. . Pantjarani, “Designing Information System of Website-Based Presence for Online Seminar in Postgraduate School of Universitas Sebelas Maret Surakarta: Perancangan Sistem Informasi Presensi Berbasis Website Untuk Kegiatan Seminar Online Di Sekolah Pascasarjana Universitas Sebelas Maret Surakarta”, RDT, vol. 4, no. 3, pp. 189-207, Jan. 2024.