Scores of hesitant fuzzy elements revisited: "Was sind und was sollen". - José Carlos R. Alcantud; María J. Campión; Esteban Induráin; Ana Munárriz (Inf. Sci., 2023)

Extensions of Orders to a Power Set vs. Scores of Hesitant Fuzzy Elements: Points in Common of Two Parallel Theories. - Esteban Induráin; Ana Munárriz; M. Sergio Sara (Axioms, 2024)