Erfani Hooshiaran, S., ve R. A. Küçükçolak. “COVID-19 IMPACTS ON RETAIL SECTOR: AN EVENT STUDY APPROACH ON TURKISH RETAILERS ”. Working Paper Series Dergisi, c. 3, sy 4, Aralık 2022, ss. 140-52, http://workingpaperseries.ticaret.edu.tr/index.php/wps/article/view/221.