Obiefuna, J. N., Inah, E. O., Etim, E. A., Etuk, I. I. and Effiong, R. (2025) “The Contributions and Challenges of Sustainable Tourism Development in Calabar, Cross River State, Nigeria”, Journal of Public Administration, Policy and Governance Research , 3(3), pp. 190–197. Available at: https://jpapgr.com/index.php/research/article/view/234 (Accessed: 23 July 2025).