S. . Dehghan-Chenari and F. . Hossienzadeh-Lotfi, “A SBM DEA Model of Performance Generation via Input–Output Ratios under Pseudo-Returns to Scale”, Res. Ann. Ind. Syst. Eng., vol. 3, no. 3, pp. 160–169, Aug. 2026, doi: 10.22105/raise.vi.98.