Aquan, Hendra Michael, Diana Handoyo, and Paulus Wiryono Priyotamtama. “IDENTIFICATION OF THE FACTORS AFFECTING UNIVERSITY STUDENTS OPTIMISM DURING THE COVID-19 PANDEMIC”. Lingua: Jurnal Ilmiah 18, no. 2 (October 2, 2022): 76–99. Accessed May 28, 2025. https://jurnal.universitaslia.ac.id/index.php/lingua/article/view/53.