KLM's Enterprise Governance of IT Journey: From Managing IT Costs to Managing Business Value. - Steven De Haes; Dirk Gemke; John Thorp; Wim Van Grembergen (MIS Q. Executive, 2011)

Inter-Organizational Governance of Information Technology: Learning from a Global Multi-Business-Unit Environment. - Steven De Haes; Wim Van Grembergen; Dirk Gemke; John Thorp (Int. J. IT Bus. Alignment Gov., 2012)