Time-Leveled Hypersoft Matrix, Level Cuts, Operators, and COVID-19 Collective Patient Health State Ranking Model. - Shazia Rana; Muhammad Haris Saeed; Badria Almaz Ali Yousif; Florentin Smarandache; Hamiden Abd El-Wahed Khalifa (Appl. Comput. Intell. Soft Comput., 2022)

Generalized plithogenic whole hypersoft set, PFHSS-Matrix, operators and applications as COVID-19 data structures. - Shazia Rana; Muhammad Haris Saeed; Madiha Qayyum; Florentin Smarandache (J. Intell. Fuzzy Syst., 2023)