Cost, Revenue and Profit Efficiency Evaluation in Downstream Petrochemical Industries with Data Envelopment Analysis Approach with Fuzzy Data. Annals of Optimization With Applications, [S. l.], v. 1, n. 1, p. 41–56, 2025. DOI: 10.48314/anowa.v1i1.34. Disponível em: https://anowa.reapress.com/journal/article/view/34.. Acesso em: 12 jul. 2025.