Okoro, D. C. U. .; Igbojekwe, P. A. .; Ukabuilu, D. E. .; Ukabuilu, D. E. . Cultural Tourism: Income Contribution of Regional Cultural Heritage Resources and Value Chain Consumption in Nigeria. CENT.ASIAN.JOUR.INNOVA.TOUR.MANAGE.FIN 2021, 2, 77-89.