Maulani, Giandari, Eng. Wilem Musu, Y. Johny W. Soetikno, and Sitti Aisa. “Education Management Using Blockchain As Future Application Innovation”. IAIC Transactions on Sustainable Digital Innovation (ITSDI) 3, no. 1 (November 5, 2021): 60–65. Accessed January 18, 2022. https://aptikom-journal.id/index.php/itsdi/article/view/525.