Shukla, S. K., Anupam Kumar, Anita Kumari, Shivalika Saxena, and Deepak Kumar. 2025. “On ∆ Operation over Fermatean Fuzzy Sets: An Application to a De-I-Fuzzification Technique”. Nepal Journal of Mathematical Sciences 6 (2):23-36. https://doi.org/10.3126/njmathsci.v6i2.83823.