& ZUBAIBU U.M, A. I. A Systematic Review of Service Innovation in the Service Sector. Covenant Journal of Entrepreneurship (Special Edition), [S. l.], v. 3, n. 1, 2019. Disponível em: https://journals.covenantuniversity.edu.ng/index.php/cjoese/article/view/1298. Acesso em: 25 apr. 2024.