1. Scenarios: uncharted waters ahead;Wack;Harvard Business Review,1985
2. Scenarios: shooting the rapids;Wack;Harvard Business Review,1985
3. Scenarios, The Art of Strategic Conversation;van der Heijden,2005
4. G. Wright. The Sixth Sense: Accelerating Organisational Learning with Scenarios;van der Heijden,2002
5. Exploring e-government futures through the application of scenario planning;Cairns;Technological Forecasting and Social Change,2004