Chituru Gibson Ogonu and Edith-Onajite Lolia Hamilton-Ibama 2024. Service Innovation And Marketing Performance Of Eatery Firms In Port Harcourt, Rivers State. International Journal of Business Diplomacy and Economy. 3, 4 (Jul. 2024), 111–124. DOI:https://doi.org/10.51699/ijbde.v3i4.75.