Febiyani, Anastasia, Atik Febriani, and Jauhar Ma’Sum. “Calculation of Mental Load from E-Learning Student With NASA TLX and SOFI Method”. Jurnal Sistem dan Manajemen Industri 5, no. 1 (June 30, 2021): 35-42. Accessed March 28, 2024. https://e-jurnal.lppmunsera.org/index.php/JSMI/article/view/2789.