Zogaj, S., Bretschneider, U.: Crowdtesting with testCloud – Managing the Challenges of an Intermediary. In: European Conference on Information Systems (ECIS 2013). Utrecht, Netherlands (accepted for publication), 2013

Bretschneider, U., Zogaj, S., Leimeister, J.M.: Wettbewerb vs. Kollaboration: Wie verhalten sich Teilnehmer in Ideenwettbewerben und Ideen Communities?. In: VHB Jahrestagung 2012. Bozen/Bolzano, Italy, 2012. - 321

Kipp, P., Zogaj, S., Ebel, P., Bretschneider, U., Leimeister, J. M.: Introducing Open Innovation to Universities - How to Increase Universities Innovativeness. In: International Society for Professional Innovation Management (ISPIM). Barcelona, Spain, 2012. - 331

Zogaj, S., Bretschneider, U.: Customer Integration in New Product Development: A Literature Review Concerning the Appropriateness of Different Customer Integration Methods to Attain Customer Knowledge. In: Proceedings of the 20th European Conference on Information Systems (ECIS). Barcelona, Spain, 2012. - 313

Zogaj, S., Kipp, P., Ebel, P., Bretschneider, U., Leimeister, J. M.: Towards Open Innovation In Universities: Fostering the Inside-Out-Process Using Ideas Competitions. In: European Academy of Management Conference (EURAM). Rotterdam, Netherlands, 2012. - 311