OKAFOR, Tochukwu Gloria; NWORIE, Gilbert Ogechukwu. Achieving Environmental Sustainability: The Contribution of Digital Automation Technologies of Industry 4.0 Used by Companies in Nigeria. Quantitative Economics and Management Studies, [S. l.], v. 6, n. 5, p. 669–678, 2025. DOI: 10.35877/454RI.qems4039. Disponível em: https://qemsjournal.org/index.php/qems/article/view/4039. Acesso em: 24 apr. 2026.