Darmawan, Erico, and Sulaeman Santoso. “Development and Evaluation of Digital ID Card As a Portfolio Portal”. IJNMT (International Journal of New Media Technology) 5, no. 2 (March 19, 2019): 83-89. Accessed May 4, 2024. https://ejournals.umn.ac.id/index.php/IJNMT/article/view/1069.