Çalık, Mustafa. “Determining The Anxiety And Anxiety Levels Of University Students In The COVID 19 Outbreak.: University Students in the COVID 19 Outbreak”. International Journal of Medical Science and Clinical Invention 7, no. 07 (July 31, 2020): 4887–4894. Accessed July 5, 2024. https://valleyinternational.net/index.php/ijmsci/article/view/2703.