1. Abad, R. G. (1991). Squatting and scavenging in Smokey Mountain. Philippine Studies, 39, 263–286.
2. Auer, C. (1990). Health status of children living in a squatter area in Manila, Philippines, with particular emphasis on intestinal parasitoses. South East Asian Journal of Tropical Medicine and Public Health, 21(2), 289–300.
3. Berman, M. (1982). All that is solid melts into the air. New York: Penguin.
4. Bhagat, R. M. (2014). Urban migration trends, challenges and opportunities in India. World Migration Report 2015. Geneva: International Organization for Migration.
5. Balchin, P. N., Isaac, D., & Chen, J. (2000). Urban economics: A global perspective. Houndsville: Palgrave.