Suresh, G., et al. “A Benefit-Cost Analysis of Refinery Operations During Pandemic Conditions Using the Interval-Valued Intuitionistic Fuzzy Analytic Hierarchy Process (IVIFAHP)”. International Academic Journal of Science and Engineering, vol. 13, no. 3, Sept. 2026, pp. 326-40, https://doi.org/10.71086/IAJSE/V13I3/IAJSE13118.