Tsourgiannis, L., F. Perdiki, V. Zoumpoulidis, and V. Ferelis. “Social Marketing and COVID-19 in Greece: What ``Millennials’’ Think!”. KnE Social Sciences, Vol. 8, no. 1, Feb. 2023, pp. 449–464, doi:10.18502/kss.v8i1.12667.