NURDIANSYAH; FITRA KURNIA, F. K.; MUHAMMAD FIKRY, M. F. Sistem Agenda Kegiatan Kepala Kantor Wilayah Kementerian Agama Provinsi Riau Berbasis Android: Android-Based Event Agenda System for Regional office head of Ministry of Religious Affairs of Riau Province. SENTIMAS: Seminar Nasional Penelitian dan Pengabdian Masyarakat, v. 1, n. 1, p. 266-274, 1 Sep. 2022.