J. Kratzer

发表

Jan Kratzer, J. Kratzer, R. Leenders, 2006 .

J. Kratzer, R. Leenders, J. van Engelen, 2005 .

J. Kratzer, M. Achterkamp, Nastasja Oosterloo, 2010 .

J. Kratzer, M. Achterkamp, L. Molenmaker, 2008 .

J. Kratzer, Khaled Alzafari, 2019, Quality in Higher Education.

J. Kratzer, D. Belcher, D. Nicholas, 1979, Bulletin of the World Health Organization.

J. Kratzer, D. Belcher, D. Nicholas, 1977, British medical journal.

J. Kratzer, S. Block, K. Tack, 2000, The Pediatric infectious disease journal.

R.Th.A.J. Leenders, Jan Kratzer, van Johannes Engelen, 2007 .

Jan Kratzer, Karina Cagarman, J. Kratzer, 2018, Encyclopedia of Social Network Analysis and Mining. 2nd Ed..

R.Th.A.J. Leenders, Jan Kratzer, van Johannes Engelen, 2004 .

Jan Kratzer, Roger Th. A. J. Leenders, J. M. L. Van Engelen, 2007, Int. J. Netw. Virtual Organisations.

Jan Kratzer, Roger Th. A. J. Leenders, J. Kratzer, 2005 .

R.Th.A.J. Leenders, Jan Kratzer, van Johannes Engelen, 2008 .

R.Th.A.J. Leenders, Jan Kratzer, J.M.L. van Engelen, 2008 .

R.Th.A.J. Leenders, Jan Kratzer, van Johannes Engelen, 2002 .

R.Th.A.J. Leenders, Jan Kratzer, van Johannes Engelen, 2008 .

Jan Kratzer, Roger Th. A. J. Leenders, Katja Zboralski, 2009, Int. J. Netw. Virtual Organisations.

Jan Kratzer, J. Kratzer, 2014, Encyclopedia of Social Network Analysis and Mining.

Jan Kratzer, Heiko Haase, Nick Leithold, 2016 .

Jan Kratzer, J.M.L. van Engelen, Derk Jan Kiewiet, 2002 .

Jan Kratzer, J.M.L. van Engelen, J. Kratzer, 2002 .

Jan Kratzer, J. Kratzer, 2001 .

Jan Kratzer, J. Kratzer, 2014, Encyclopedia of Social Network Analysis and Mining.

R.Th.A.J. Leenders, Jan Kratzer, J.M.L. van Engelen, 2004 .

J. Kratzer, D. Nicholas, S. Ofosu-amaah, 1977, British medical journal.

Christopher Lettl, Peter A. Gloor, Jan Kratzer, 2016 .

J. Kratzer, Karina Cagarman, Katharina Osbelt, 2020 .

Christopher Lettl, Hans-Georg Gemünden, Jan Kratzer, 2011, IEEE Transactions on Engineering Management.

Jan Kratzer, Jo M. L. van Engelen, Roger Th.A.J. Leenders, 2003 .

J. Kratzer, M. Mrożewski, 2021 .

J. Kratzer, Matthias Mrożewski, Jan Kratzer, 2016, The Journal of Technology Transfer.

Jan Kratzer, Jo M. L. van Engelen, Roger Th.A.J. Leenders, 2009 .

J. Kratzer, Laura H. Middermann, S. Perner, 2020, Sustainability.

J. Kratzer, Laura von Arnim, Karina Cagarman, 2020, Sustainability.

J. Kratzer, S. Musil, I. Klepácek, 2021, Anthropologischer Anzeiger; Bericht uber die biologisch-anthropologische Literatur.

J. Kratzer, D. Kiewiet, M. Achterkamp, 2004 .

J. Kratzer, A. Voinov, T. Lammers, 2022, Technological Forecasting and Social Change.

N. Franke, P. Gloor, Christopher Lettl, 2016 .

N. Franke, P. Gloor, Christopher Lettl, 2016 .

B. Schlegelmilch, N. Franke, P. Gloor, 2016 .