1. Survey of State Travel Offices 1988–1989;U.S. Travel Data Center,1988
2. Nation's governors raise tourism on public agenda;Bryan;State Government News,1987
3. What is the right organization structure? Decision tree analysis provides the answer;Duncan;Organizational Dynamics,1979
4. Who needs strategic planning?;Yip;Journal of Business Strategy,1985
5. The state of strategic planning;Paul;Business,1986