EL-RUFAI, U. M. .; MUSTAPHA, B. B. .; SALEH, Y. I. . An Assessment of Environmental Determinants of Tourism Sustainability in Kaduna Metropolis. International Journal of Science for Global Sustainability, [S. l.], v. 12, n. 2, p. 74–85, 2026. DOI: 10.57233/ijsgs.v12i4.1089. Disponível em: https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/1089. Acesso em: 21 jul. 2026.