- Shelter for the Homeless (1987, New York);
- Shelter and Urbanization (1990, London);
- Future Cities (1997, Bonn);
- Safer Cities (1998, Dubai);
- Women in Urban Governance (2000, Jamaika);
- Cities without Slums (2001, Fukuoka);
- Water and Sanitation for Cities (2003, Rio de Janeiro);
- Planning our Urban Future (2009, Washington, D.C.);
- Better City, Better Life (2010, Shanghai, China);
- Cities and Climate Change (2011, Aguascalientes, Meksiko); dan
- Accelerating Urban Action for a Carbon-Free World (2021, Yaoundé, Kamerun).
(Tribunnews.com/Fajar)