P. Izaye, I. Eja, C. Anake, F. Offionor, and K. Echeng, “Contribution of Carnival Calabar to Hotel Occupancy Rates and Revenue Generation in Calabar Municipality, Cross River State, Nigeria”, TJESDS, vol. 2, no. 1, pp. 425–435, Aug. 2026, doi: 10.60787/tjesds.vol2no1.116.