Co-creation in Social Media Platforms: End-users as Innovation Partners - Online Co-innovation within the Open Discovery Space. - Wouter Vollenbroek; Efthymios Constantinides; Sjoerd de Vries (WEBIST, 2013)

Identification of influence in social media communities. - Wouter Vollenbroek; Sjoerd de Vries; Efthymios Constantinides; Piet Kommers (Int. J. Web Based Communities, 2014)

Interaction Patterns in Web-based Knowledge Communities: Two-Mode Network Approach. - Wouter Vollenbroek; Sjoerd de Vries (KMIS, 2016)

Supporting Social Capital by Utilizing Community Network Positions. - Wouter Vollenbroek; Sjoerd de Vries; Jan van Dijk (Int. J. e Collab., 2021)