Hutabarat, Franklin, dan Reymand Hutabarat. “FACTOR ANALYSIS OF E-LEARNING USAGE”. Jurnal Terapan Ilmu Manajemen dan Bisnis 3, no. 1 (Mei 31, 2020): 37-46. Diakses November 22, 2024. https://jurnal.unai.edu/index.php/jtimb/article/view/2303.