C. C. Ozor, C. R. Okafor, B. U. Chile-Agada, and P. N. Ohia, “Exploring the Role of Blockchain in Promoting Transparency in E-Invoicing Systems Among Multinational Corporations in Nigeria”, iacseries, no. Proceedings of IACS-IHCRGESND, Nigeria, pp. 131-139, Jul. 2024.