Subject(s): City planning in Developing countries. -- Cities and towns in Developing countries -- Sustainable development in Developing countries. -- Urban ecology (Sociology) in Developing countries; -- Urban Form and Transaction : Cultural Sustainability and Development, Urban Conservation In Mexico, Local Communities in Conserving Historical Area, Heritage and Sustainable Development , Urban planning in South Africa -- Designing People-based Environments : Urban Reforms and Development Regulations, residential land Layouts, Environmental and Climate Responsive Design, Self-helping Housing, sustainable Open Space in mexico