Hendrawaty N, Angkarini T, Retnomurti AB. EFL Undergraduate Students’ Perceptions of Online Learning Applications during the COVID-19 Outbreak. JPP [Internet]. 2021 Mar. 24 [cited 2025 Apr. 4];54(1):110-9. Available from: https://ejournal.undiksha.ac.id./index.php/JPP/article/view/31763