Aykaç Alp, E.; Alp, S.; Fındıkçı Erdoğan, M.; Demir, A. O. Determining the Impact of the COVID-19 Pandemic on Commercial Activities in Istanbul. J. Oper. Intell. 2024, 2 (1), 50-77. https://doi.org/10.31181/jopi21202414.