@article{Roy2019a, author = {D. Roy and D. Bernal and M. Lees}, doi = {10.1177/0042098019869769}, issn = {0042-0980}, journal = {Urban Studies}, number = {4}, pages = {789-805}, title = {An exploratory factor analysis model for slum severity index in Mexico City}, volume = {57}, year = {2020} }