Sumardiyono, B. “Analisis Persyaratan Fungsional Aplikasi SIKD Berdasarkan ISO 16175-2:2011”. JURNAL REKAYASA INFORMASI, vol. 8, no. 2, Jan. 2020, pp. 94-101, https://journal.istn.ac.id/index.php/rekayasainformasi/article/view/425.