DO, T. V.; LE, N. A. V. Development of a Multi-Objective Optimization Model for the Hard Turning of SKD11 Steel with Nanofluid-Al₂O₃ Minimum Quantity Lubrication Using RSM and PSO. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 4, p. 24897–24903, 2025. DOI: 10.48084/etasr.11351. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/11351. Acesso em: 29 apr. 2026.