Koutsautaki, A., P. Boufounou, K. Toudas, and C. Malesios. “Digital Transformation in Greece During COVID: A Case-Study on Digital Marketing strategies’ Effectiveness”. International Conference on Business and Economics - Hellenic Open University, vol. 3, no. 1, Aug. 2024, https://eproceedings.epublishing.ekt.gr/index.php/ICBE-HOU/article/view/7358.