V. E. Umoren and I. U. Akpan, “Changing Land Uses and Traffic Congestion in Calabar Municipality, Cross River State, Nigeria”, IJSS, vol. 10, no. 1, pp. 72–86, Jan. 2016, Accessed: Feb. 23, 2025. [Online]. Available: https://ijss.com.ng/index.php/home/article/view/4