2026. MAPPING HOUSING AFFORDABILITY STRESS AND RESIDENTIAL DISPLACEMENT IN CALABAR METROPOLIS, NIGERIA: A GIS-BASED ASSESSMENT OF MIGRATION FLOWS TO LOW-COST PERI-URBAN SETTLEMENTS. Journal of Enviromental Sciences and Built Environental Research. 1, 1 (Jun. 2026), 157–171. DOI:https://doi.org/10.83374/jesber.vol1no1.17.