Okoro, Chigozie Ugochukwu, Polycarp A. Igbojekwe, Nsisuk Harrison Akpanabia, and Emmanuel Ukabuilu. “Cultural Tourism: Income Contribution of Regional Cultural Heritage Resources and Value Chain Consumption in Nigeria”. Academic Journal of Digital Economics and Stability 14 (February 5, 2022): 48–61. Accessed May 4, 2024. https://economics.academicjournal.io/index.php/economics/article/view/417.