SHUKLA, S. K.; KUMAR, Anupam; KUMARI, Anita; SAXENA, Shivalika; KUMAR, Deepak. On ∆ Operation over Fermatean Fuzzy Sets: An Application to a De-i-fuzzification Technique. Nepal Journal of Mathematical Sciences, [S. l.], v. 6, n. 2, p. 23–36, 2025. DOI: 10.3126/njmathsci.v6i2.83823. Disponível em: https://www.nepjol.info/index.php/njmathsci/article/view/83823. Acesso em: 9 dec. 2025.