Richardo, Nico, and Melkior N.N. Sitokdana. “Analisis Risiko Teknologi Informasi Pada Toko Surabaya Cabang Surakarta”. Journal of Information Systems and Informatics 3, no. 1 (March 2, 2021): 13-30. Accessed July 27, 2021. https://journal-isi.org/index.php/isi/article/view/84.