- 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)