Löbbecke, C., Crowston, K., & Friederici, N. (2011). Integrated Customer-Focused Knowledge Portals: Design Challenges and Empirical Approaches. Academy of Management Conference, OCIS Division.
Crowston, K., & Löbbecke, C. (2012). Knowledge Portals: Components, Functionalities, and Deployment Challenges. In International Conference on Information Systems.