KIAMEHR, A. K.; AZAR, A.; NAYERI, M. D. A Multi-Objective Optimization Model for Designing Business Portfolio in the Oil Industry. Engineering, Technology & Applied Science Research, Greece, v. 8, n. 6, p. 3657–3667, 2018. DOI: 10.48084/etasr.2023. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/2023. Acesso em: 18 apr. 2026.