Coping with the heterogeneity of external knowledge sources: Corresponding openness strategies and innovation performance Hamdy Abdelaty; Daniel Weiss;

Inbound open innovation and firm performance Federico Moretti; Daniele Biancardi;

The implications of blockchain for logistics operations and sustainability Javed Aslam; Kee-hung Lai; Yun Bae Kim; Horst Treiblmaier;