Zogaj, S. and Bretschneider, U.. "Crowdtesting with testCloud – Managing the Challenges of an Intermediary." Paper presented at the meeting of the European Conference on Information Systems (ECIS 2013), Utrecht, Netherlands (accepted for publication), 2013.

Bretschneider, U., Zogaj, S. and Leimeister, J.M.. "Wettbewerb vs. Kollaboration: Wie verhalten sich Teilnehmer in Ideenwettbewerben und Ideen Communities?." Paper presented at the meeting of the VHB Jahrestagung 2012, Bozen/Bolzano, Italy, 2012.

Kipp, P., Zogaj, S., Ebel, P., Bretschneider, U. and Leimeister, J. M.. "Introducing Open Innovation to Universities - How to Increase Universities Innovativeness." Paper presented at the meeting of the International Society for Professional Innovation Management (ISPIM), Barcelona, Spain, 2012.

Zogaj, S. and Bretschneider, U.. "Customer Integration in New Product Development: A Literature Review Concerning the Appropriateness of Different Customer Integration Methods to Attain Customer Knowledge." Paper presented at the meeting of the Proceedings of the 20th European Conference on Information Systems (ECIS), Barcelona, Spain, 2012.

Zogaj, S., Kipp, P., Ebel, P., Bretschneider, U. and Leimeister, J. M.. "Towards Open Innovation In Universities: Fostering the Inside-Out-Process Using Ideas Competitions." Paper presented at the meeting of the European Academy of Management Conference (EURAM), Rotterdam, Netherlands, 2012.