Suresh, G. et al. 2026. 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. 13, 3 (Sep. 2026), 326–340. DOI:https://doi.org/10.71086/IAJSE/V13I3/IAJSE13118.