Aydoğan, Sefer, and Fatma Kutlu. 2021. “Examination of the Digital Leadership Exhibited by the Minister of Health Fahrettin Koca in the Covid-19 Outbreak With the Analytical Hierarchy Process (Twitter Case Study)”. Journal of Business Research - Turk 13 (2):1737-50. https://doi.org/10.20491/isarder.2021.1226.