N. Achmad, A. N. Luthfiyya, D. M. Shafira, A. S. Wibowo, P. Yulina, and S. Lestari, “ANALYSIS USING ISO 9241-11 ON STUDENT PORTAL WEBSITE”, CAC, vol. 23, no. 1, pp. 3238–3250, Jan. 2022, Accessed: Nov. 22, 2024. [Online]. Available: https://ca-c.org/CAC/index.php/cac/article/view/287