UTTAH, Chinasa; ITU, Prince-Charles Omin; AKINTOYE, Oluyemi Ayorinde; AWAN, Obianuju Emmanuella; LASS, Kumo. Geospatial Modelling of Emergency Healthcare Accessibility: Travel Time Analysis and Service Catchment Delineation of Tertiary Health Facilities in Calabar Metropolis, Nigeria. Journal of Occupational Health, Risk Management, and Safety, Nigeria, v. 1, n. 2, p. 207–216, 2026. DOI: 10.60787/johrms.vol1no2.79. Disponível em: https://johrms-unical.com.ng/index.php/home/article/view/79. Acesso em: 26 aug. 2026.