Etim Akpan P, Ibanga O. DEVELOPING A GIS-BASED COMPOSITE WALKABILITY INDEX USING OPEN GEOSPATIAL DATA AND FIELD MEASUREMENTS IN UYO URBAN AREA, NIGERIA. bj [Internet]. 2026 Jun. 2 [cited 2026 Jun. 3];. Available from: https://bwjournal.org/index.php/bsjournal/article/view/4047