syarifudin, ahmad, Adi Prasetia Nanda and Sri Hartati (2021) “Sistem Sistem Informasi Manajemen Surat Berbasis Website di STMIK Pringsewu”, SAINS DAN INFORMATIKA : RESEARCH OF SCIENCE AND INFORMATIC, 7(1), pp. 17–22. doi: 10.22216/jsi.v7i1.340.