KARAHAN, Özcan; BAY, Musa. The Impact of Services Sub-Sectors on the Innovation Performance of Eastern European Countries. KnE Social Sciences, [S. l.], v. 5, n. 9, p. 190–201, 2021. DOI: 10.18502/kss.v5i9.9893. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/9893. Acesso em: 8 aug. 2025.