A longitudinal study of e-commerce diversity in Europe. - Adam Sadowski; Karolina Lewandowska-Gwarda; Renata Pisarek-Bartoszewska; Per Engelseth (Electron. Commer. Res., 2021)

Big data insight on global mobility during the Covid-19 pandemic lockdown. - Adam Sadowski; Zbigniew Galar; Robert Walasek; Grzegorz Zimon; Per Engelseth (J. Big Data, 2021)