1.
The history, geography, and sociology of slums and the health problems of people who live in slums
by Ezeh, Alex, PhD
The Lancet (British edition), 2016, Vol.389 (10068), p.547-558

2.
Improving the health and welfare of people who live in slums
by Lilford, Richard J, Prof
The Lancet (British edition), 2016, Vol.389 (10068), p.559-570
