Widodo, Handoyo Puji, Sandi Ferdiansyah, and Lara Fridani. “Introduction to International Students and COVID-19”. Journal of International Students 10, no. S3 (November 5, 2020): i-xii. Accessed October 16, 2021. https://www.ojed.org/index.php/jis/article/view/3208.