Engel groups derived from hypergroups. - Reza Ameri; E. Mohammadzadeh (Eur. J. Comb., 2015)

On Engel Fuzzy Subpolygroups. - Rajab Ali Borzooei; E. Mohammadzadeh; Violeta Fotea (New Math. Nat. Comput., 2017)

Nilpotent fuzzy lie ideals. - E. Mohammadzadeh; G. Muhiuddin; Jianming Zhan 001; Rajab Ali Borzooei (J. Intell. Fuzzy Syst., 2020)

Construction of Fuzzy Hyper BCI-Algebras Using Fuzzy Hypergroupoid. - G. Muhiuddin; E. Mohammadzadeh; F. Mohammadzadeh; Rajab Ali Borzooei (New Math. Nat. Comput., 2023)

Fuzzy Nilpotent Ideals in BCK-Algebras. - E. Mohammadzadeh; G. Muhiuddin; Rajab Ali Borzooei (New Math. Nat. Comput., 2024)