Orhan, Zeyneb Hafsa, ve Nurullah Tırman. “Analysis of the Impact of Covid-19 on Different Sectors in Turkey During Early Periods of the Pandemic”. İşletme Araştırmaları Dergisi 12, no. 3 (Haziran 13, 2021): 2312–2326. Erişim Aralık 6, 2024. https://isarder.org/index.php/isarder/article/view/1151.