WABULA , D. F. .; WABULA, D. F.; MUSTAQIM, M. I. Perancangan Pelayanan Surat Berbasis Android. STAINS (SEMINAR NASIONAL TEKNOLOGI & SAINS), [S. l.], v. 1, n. 1, p. 206–212, 2022. Disponível em: https://proceeding.unpkediri.ac.id/index.php/stains/article/view/1427. Acesso em: 6 dec. 2023.