On strong commutativity-preserving maps. Samman, M.S. — 2005 International Journal of Mathematics and Mathematical Sciences
Existence and Posner's theorem for α -derivations in prime near-rings. Samman, M.S. — 2009 Acta Mathematica Universitatis Comenianae. New Series
A note on commutativity of automorphisms. Samman, M.S.; Chaudhry, M.Anwar; Thaheem, A.B. — 1998 International Journal of Mathematics and Mathematical Sciences