The Devastating Effect of Gully Erosion Menace on Urban Infrastructures in Calabar Metropolis, Nigeria. Global Journal of Human-Social Science, [S. l.], v. 20, n. B2, p. 55–58, 2020. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/3164. Acesso em: 9 feb. 2026.