1. 2018 Global Status Report: Towards a zero-emission, efficient and resilient buildings and construction sector;International Energy Agency,2018
2. UN-Habitat. Global State of Metropolis 2020. Population Data Booklet. Nairobi 2020.
3. UN. Transforming our world: the 2030 Agenda for Sustainable Development. 2015.
4. UN-Habitat. The climate is changing, so must our homes & how we build them. Nairobi 2019.