El-Rufai UM, Mustapha BB, Saleh YI. An Assessment of Environmental Determinants of Tourism Sustainability in Kaduna Metropolis. IJSGS [Internet]. 2026 Jul. 1 [cited 2026 Jul. 27];12(2):74-85. Available from: https://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/1089