ANDRIANI, D. P.; SUGIONO, S.; KUSUMA, L. T. W. N.; TUHFAH, R. A.; ARDIANSAH, M. R. Optimization of pricing and ordering decisions under duopoly competition for new and remanufactured products in a circular supply chain. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 3 (134), p. 47–54, 2025. DOI: 10.15587/1729-4061.2025.325177. Disponível em: https://journals.uran.ua/eejet/article/view/325177. Acesso em: 24 jan. 2026.