Risk/Cost Valuation of Fixed Price IT Outsourcing in a Portfolio Context. - Gilbert Fridgen; Hanna-Vera Mueller (ICIS, 2009)

An Approach for Portfolio Selection in Multi-Vendor IT Outsourcing. - Gilbert Fridgen; Hanna-Vera Mueller (ICIS, 2011)

IT-Projektsteuerung - eine Methodik zum Benefits-Management mit integrierter Risikobetrachtung. - Sven Blumberg; Xiao Chen; Julia Heidemann; Martina Beer; Gilbert Fridgen; Hanna-Vera Müller (Wirtschaftsinformatik Manag., 2012)

Multivendor Portfolio Strategies In Cloud Computing. - Christian König; Philipp Mette; Hanna-Vera Müller (ECIS, 2013)

Benefits Quantification in IT Projects. - Martina Beer; Gilbert Fridgen; Hanna-Vera Mueller; Thomas Wolf 002 (Wirtschaftsinformatik, 2013)

IT-Multisourcing-Entscheidungen mit Methoden des Portfoliomanagements. - Hanna-Vera Müller (HMD Prax. Wirtsch., 2013)

Manage Your 'Blind Flight' - The Optimal Timing for IT Project Re-Evaluation. - Hanna-Vera Müller; Anna Neumeier (Wirtschaftsinformatik, 2015)

Natural and Design Science Perspective on the Business Value of IT. - Anna Neumeier; Thomas Wolf 002; Gilbert Fridgen; Hanna-Vera Müller; Carina Reith (AMCIS, 2017)