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

Knowledge management model in the integration of open innovation and circular economy driven by digital intelligence: A comparative multi-case study Xinping Huang; Qianwen Zhou;

Who gets a turn? Exploring multi-stakeholder collaboration in circular innovation and the role of gamification Princess Woy; Katherine A. Whalen; Sara Renström; Sara Fallahi;