Multi topological approximations of rough set theory. - A. S. Salama; O. G. El-Barbary (Int. J. Granul. Comput. Rough Sets Intell. Syst., 2013)

(3, 2)-Fuzzy Sets and Their Applications to Topology and Optimal Choices. - Hariwan Z. Ibrahim; Tareq M. Al-shami; O. G. El-Barbary (Comput. Intell. Neurosci., 2021)

Topological Approaches for Rough Continuous Functions with Applications. - A. S. Salama; Abdelwaheb Mhemdi; O. G. El-Barbary; Tareq M. Al-shami (Complex., 2021)