1. The Positive and Negative Impacts of Tourism;Archer,1994
2. Ecotourism: Potentials and Pitfalls;Boo,1990
3. Boracay Dateline 1997 Shootout Between Fil-Estate Blue Guards and Alleged Landowners. The Boracay Dateline 3(2).
4. Three Tests for Democracy: Personal Rights, Human Welfare, Collective Preference;Braybrooke,1968
5. New Directions in Tourism for Third World Development;Brohman;Annals of Tourism Research,1996