Zubair Ahmed, ‘Bombay’s Billion Dollar Slum’, http://news.bbc.co.uk/1/hi/business/3487110.stm.

Janice E. Perlman, ‘The Metamorphosis of Marginality: four generations in the favelas of Rio de Janeiro’, Annals of the American Academy of Political and Social Science, 606 (July 2006), 167; Sanni Yaya, Olalekan A. Uthman, Friday Okonofua and Ghose Bishwajit, ‘Decomposing the Rural-Urban Gap in the Factors of Under-Five Mortality Rate in Sub-Saharan Africa? Evidence from 35 countries’, BMC Public Health, 19 (May 2019); Abhijit V. Banerjee and Esther Duflo, ‘The Economic Lives of the Poor’, Journal of Economic Perspectives, 21:1 (Winter, 2007), table 9; The World Bank, ‘Employment in Agriculture’ https://data.worldbank.org/indicator/SL.AGR.EMPL.ZS.