1. The Future of Population in Asia,2002
2. Population Trends in Asia and the Pacific, United Nations Reporthttp://www.eastwestcenter.org/publications/future-population-asia
3. The global challenge of Sustainability;Fien,2002
4. UN Habitat, The State of Asian and Pacific Cities 2015: Urban transformations Shifting from quantity to qualityhttp://unhabitat.org/books/the-state-of-asian-and-pacific-cities-2015/
5. Our Common Future (Brundtland Report);Brundtland,1987