Ying Ying Tang, “Resilience Measurement – Financial Survival Bag Concept Using Rough Fuzzy Set Approach”, IJSBAR, vol. 63, no. 2, pp. 168–186, Aug. 2022, Accessed: Sep. 12, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/14360