Kremer, H. Hugo, and C. Gockel. “Schülerbetriebspraktikum im Übergangssystem - Relevanz, Potenziale und Gestaltungsanforderungen .” bwp@ Ausgabe 17, Praxisphasen in beruflichen Entwicklungsprozessen, edited by T. Tramm et al., 2009.

Helm, S., et al. “Modelling the Impact of Corporate Reputation on Customer Satisfaction and Loyalty Using PLS.” Handbook of Partial Least Squares - Concepts, Methods and Applications, edited by V Esposito Vinzi et al., Springer, 2009, pp. 515–34.

Ertl, H., and H. Hugo Kremer. “Innovation and Reform in College-Based VET Contexts: An Outline of Research in England and Germany.” SKOPE, no. 87, 2009.

Institut für Normung e.V., Deutsches. PAS 1094: Hybride Wertschöpfung --- Integration von Produktion Und Dienstleistung. 2009.

Schwens, C., and Rüdiger Kabst. “Determinanten Früher Internationalisierung: Eine Meta-Analyse.” Zeitschrift Für Betriebswirtschaft (ZfB). , vol. 79, no. 1, 2009, pp. 1–26.

Schwens, C., and Rüdiger Kabst. “Early Internationalization: A Transaction Cost Economics and Structural Embeddedness Perspective.” Journal of International Entrepreneurship (JIE). , vol. 7, no. 4, 2009, pp. 323–40.

Schwens, C., and Rüdiger Kabst. “How Early Opposed to Late Internationalizers Learn: Experience of Others and Paradigms of Interpretation.”  International Business Review (IBR), vol. 18, no. 5, 2009, pp. 509–22.

Baum, M., et al. “Internationalisierung Junger Technologieunternehmen: Der Moderierende Einfluss Der eLiabilities of Foreignness.“.” Zeitschrift Für Betriebswirtschaft (ZfB). , vol. 79, no. 6, 2009, pp. 873112.

Strohmeier, S., and Rüdiger Kabst. “Organisational Adoption of E-HRM in Europe: An Empirical Exploration of Major Adoption Factors. .” Journal of Managerial Psychology. , vol. 24, no. 6, 2009, pp. 482–501.

Park, Y. K., et al. “Organizational Commitment Und Job Involvement in Deutschland Und Südkorea: Eine Bedürfnisorientierte Empirische Analyse.” Managementforschung. , vol. 19, 2009, pp. 1–30.

Steinmetz, H., et al. “Testing Measurement Invariance Using Multigroup CFA: Differences between Educational Groups in Human Values Measurement.” Quality and Quantity. , vol. 43, no. 4, 2009, pp. 599–616.

Beck, N., et al. “The Cultural Dependence of Vocational Training.” Journal of International Business Studies (JIBS). , vol. 40, 2009, pp. 1374–95.

Volkamer, Melanie, et al. “Elektronische Wahlen: Verifizierung vs. Zertifizierung.” Workshop Elektronische Wahlen, Elektronische Teilhabe, Societyware, 39th GI-Jahrestagung, 2009.

Schryen, Guido, and Eliot Rich. “Security in Large-Scale Internet Elections: A Retrospective Analysis of Elections in Estonia, The Netherlands, and Switzerland.” IEEE Transactions on Information Forensics \'26; Security, vol. 4, no. 4 Part, IEEE, 2009, pp. 729–44.

Schryen, Guido, and Rouven Kadura. “Open Source vs. Closed Source Software: Towards Measuring Security.” 24th Annual ACM Symposium on Applied Computing, 2009.

Schryen, Guido. “A Comprehensive and Comparative Analysis of the Patching Behavior of Open Source and Closed Source Software Vendors.” 5th International Conference on IT Security Incident Management \'26; IT Forensics, 2009.

Schryen, Guido. “Security of Open Source and Closed Source Software: An Empirical Comparison of Published Vulnerabilities.” 15th Americas Conference on Information Systems, 2009.

Beutner, Marc, et al. “Individuelle Förderung - Einblicke in Strukturen und erste empirische Ergebnisse des Modellprojekts InLab.” Kölner Zeitschrift für Wirtschaft und Pädagogik, no. 47, 2009, pp. 15–39.

Beutner, Marc, et al. “Berufsbildung im Justizvollzug - Das Projekt TANDEM.” Kölner Zeitschrift für Wirtschaft und Pädagogik, no. 47, 2009, pp. 39–70.

Kremer, H. Hugo, and Andrea Zoyke. “Individuelle Förderung von Kompetenzen - Curriculare und didaktisch-methodische Optionen.” Erziehungswissenschaft und Beruf, no. 2, 2009, pp. 163–75.