T. C. . Nwokedi, I. D. . Akpufu, O. B. . Ndikom, J. C. . Mbachu, C. E. . Anyanwu, and B. O. . Daniel, “Periscoping performance of classification societies in maritime safety from the prism of the Abuja MoU on port states control”, Marit. Technol. Res., vol. 5, no. 2, p. 260788, Jan. 2023.